problem, ':the' - Foundation...:~NtRIBful~ . .' .:,1:':. ': : '-:.,-" " _ " -~"-' -, "',-...

By JOPPHA CUSHM~ -and RuTH TODD _ Ij _ _ ~ -

C~rsicana lIlarl is one of the merpbers of tpt Xavatrogi9UP Texas overlying N acatoch sand and underlying K~p bull In the present approved classification as set forth ~~the~L~

11_middot Names of the United States (Bull 8~ USGetJ )tJl~fiil~~ W3~) the pitmiddot of the Corsicana Brick Co 2 mil~ Sofihe

at Corsical1a Navarro Co Texas is regardeq as the ty~ (or the Corsicana marl (restricted) This locality is reflaquob

~1lrgtpaper as-the Corsicana qy Pit We haveavajlabte for ~1lections frolIl five levels representing 16 feet of section in Clay pit We have incJuded in the present study material con~~d

QshJpan imd Thomas from Mexia highway atmiddot forks ltIf the road 2Smiles ESE of Cool edge Limestone Co Texas

~avery rich fauna and also the section o~ Onion ciettlt ~~~tlted byLW Stephenson ~ inilebelow Bastrop road ctos$lngi

miles W of Old Garfield Travis Co Texas With ~amples from _~ ~ including 38 feet of section j~t~e blufAsusualin J~

ilt ~~ disiancefrom ooemiddotia_her eool~gicfact6r8 PIIH~Qf~ illemiddot problem AAd whiI~ the faunas are consistent~fu

each locality has ~itain species not recorded in I)t brevity in the~ explanations of plates the COrsic~naelay

teferred to a~ Loc I the locality 28 miles ESEOfCooled~ _(~~ II and the section on Onion Creek as LocIrt i

re(erence to an unpublished manuscript by thesenior autftlton Upper centretaceous foraminifera Ot the Gllf ~tal regipnr w~middot added b~low a list of species from sevlenlotJt~t localitie$ddi-) d~cmined as COrsicana mad butnpt f~~m th~ threemain

~dealtwithin the present paper vvI Corsicarta matI localiti~

ofrnarl 26 miles N llyK ofMaltaB6wfe Co Texas branch below road2Yzrnji~IiI Nof Tona siding about S

9LQuinian Hunt Co Texas ColI by L W i)J~~pl1eniOJlf~middot~ bull _ bull - f I

-bl~r~l108I~ott)1 ~~t()rt -UnIted States Geologic1 Survey

middotgt ~NtRIBful~ -- _ -~- - - t

1 Guflyin WfaCingislop~~f W drKimhrO2 I1llesS of M~paa Stephenson gt4 JoriesCrossing on Onioo G~~ juijtE way 9 miles in a straight line SEo capit~l Intt3U1gtIuI

Texa6 ColI by B J Plummer ~ 5~ San MarcosRiver left banktoo yards middothplnwmiddott1ird~

low Martindale CaldweU Co Ttxas CoIJby L 6 W-facirig bluff Guadalupe RiverU m~le$aJlmiddot~~~If

bull GliadalupeCo Texas CoIl by L ~W Stephenson 1 3 feet belowbase of E~otY1ttGryphaeOr De~hc~~~

iniiles E otCa~troville Bexar Co TexasGltgtlL

Additional Corsicana marl species (Numbers in parentheses refer to Iocillities above)

Reopk=teMa1llUS Cushman and Waters (5) AmmodifIur pen-nyi Cushman and Jarvis (5) HaplopkrlSgmtgtider cafcUlqCushmin ~ld -Wate[8amp2jJ$)~~ Haplopkragmoides glabroC~Shman~Waten(lVmiddotj B oplopkragmoides 8fclWataCushlllan~Wlltets(2 S) AmmobacUtiter coprltkil~ (Sellwager) (3 S) AmmwbacuUt~s texawurmiddotCushman(j) Clavulinoides arp~ra (Cushman) (6) H etilrostomeUa america11if Cushman (7) D01otkia glabrata Cusrunan (3 Trockammina gymider CZlshman and Watws (5)

Marginulina navartoana Cushman (7) middot1)~t4liM confluens Reuss (3) FIp1tampulti(ia tameola Reu~s (I) Gloh~~ri1M Reuss varrbtjlwIeua BuZimi~la cumma~ swdl4f(6) middot Val uZ p It

v ~nena yrj

P1dlen~ amencanamiddot middottmiddot7)middotmiddot~ Globotruncalla ~aMtWiJJta (ih~~)i~lt4)~~~

the fauna is a rich oneevidendymiddot(1(~P()Iampte4~)mi~~m~~ a~tYal shoxe line as indicated by thefi~t Inat~t131 ~

tliefaqna which is richest in tOlanllnimiddotIera)alE~IIi

dePts paper bymiddotAlbritton and Phleger(Jo~~n Par~

3-354) lists numerous spe~iesfroin ~he CotS1CiIla ~ haie eiamined their-material and occaiion~Fch aregtrecorded here

)

middot Family YERNE1JlhINIDAE ~Genus GAuORYINA dQrbiinr lS3~

OAuDItYiNA _UDITAhNlhJn ltPI middotiI~ 4)

rifitetc~ttc~middot ~Specal Pub No7 Cushman La~~o~~~Rt8middot1937p~) Sp~cimensin our Corsicana mar~~lae from 2$

middotoi(ooiedgc bull GemGAUDRYINEtId Pluinmcentt 1931 bull middotmiddotGUlj)BiJ~ PIiEUDIJ~EBJMlAcuhDn middotmiddot(PI 9 1jr 6)

~oeI1ta CU8HMAlJ Contr CUJhm~ilLab Forllip Resvol8~middot j)Ll ngll bull 20~21 lcSpeliiaimiddotPnbl No 7 I937p lOS pt

~~~seeJ)lS to be an indel fossil for tba~pai1 of tb~ Nio bullmiddotlVtNh sand It is variable in therelatiye exlt~UiOIJl)iII

OLAVuLQTOIDES lB~~~1JM OOdIIIIIoBla)

(For reference see Sp~ial Pub No7 19$11gt ~ The typical form of this species~cUrampin tpe 1~lii

~halesof Mexico the Upper Creta~~us ofmiddot ~1KQf Ark4nsas and the Corsic~nantarl of Teias has a wider range including b~th theNav3rroand1ayl~

Thetypical form occursat aU three Of our C~r$jcaila CLtVULINQmES INSIGNlS (PIIPgt1~r)

(Fm~ referencea seeSpecial publ No7 1937 p 124) This ~pedesisa ~hatacteristic one in the

age It occulSa~ allthree of ourlocalitieS] gt CLA~OIDES COMPKES8A (CmI_D~ cmiddotioc

(for referencesseeSpec~al Pub No71937pU3) This species is an excellent index fossil f6~

Navarro group above the rjacltitQCh sand tteCocsicina Clay fit it is3bu1i4antat middot~llY 28 miles EampEbull~f CQdl~g~middot

~ gtFatnily VAL LJ~ ~ ~~bullw

~~PlmIimCr1931 raquo~BIA Bt1tLE~M (CarseY) Pi 9ft~ 10)

refetenCeilseethes~ Contiibutiim~ v~J 171941 p8S)

widely distributed species but is especiallyabtindanf in the Navarro group It occurs at all three of )ttr

GenuS PLECTINA MarssOn 1878 P(ECTl~A WATERSI Cultbman (Pi 9 ~ 11)

middotreferences see Special PubL No8 1937 p 107)

species-is apparently an indexmiddotfossil for those pbrtions of the middotmiddotIIfi(tlimiddotgroup above the Nacatbch sand It occurs inthe Corskanamiddot

and in the section on Onion Creek

F amil) MILIOLIDAE ~usQUINQtrnLOC)LJNA dOrhlgny 1826

QUlNQUELOOULINA ANTIQUA Franke Val ANOVSTA Frank

~IIWrma(QuinquelocuttM) a11tiqua FRANKE varaug~m FWKIlAbhandIPteuss D ser vol 111 19281 p 127 pI 11 fig 25

0~~lOt1iJM1a amigua FaANKE var antwta CU~H~AN Tenn Div Ge~IBtill 41 pl 21 fig 6

gt(Jarifl~IQj~MtoSmfflJis W BlllUy in Berry and Kelley PrllC U S Nat Mus yotgt 1~ 1929p 17 pI 2 fig$S 9 [by error for 11gt12]

ociurin the Corsicana marl from the section onI

I

EXPLANATIQN OF PLATE 10 f

1MMg~~8P LIlC III X IS 2 middotM plummetae Cu~n Loe I a Mcurllatuia Cushman Loe III X 75 HQlotYpe (After Cushlllan)

ltflumtner) Loe II X 8 S [)entalino l1g~n Reuss Loe I 6)gracilis dOrbigny Loe If X 40 7 1)h(l~fVII4taCushman~

X 2S~ ParatyPe (Aitef Cushman) 8 Dbullerma middotmiddot Ii Fluntmer~i II (~er Cushman) D delicaeu14CushmantocIlIX 25 Holotype

(~I~n) ro D angustyenoJtata Cushman Lot lr X 38 HolOtype C~hmanJ 11 Nodosaria affinis ReU8l1~ bull LocII X 18 (AftetCushman-)lt

middotna~4n4CU911lnan Loe I a $ideview b apettUtlIl view X 60 Hol~ (After Plshman) 13 N CQ1SiCMdM Cusunan Lee n X 18 Palatypt

Cilil~rnan) 14 Pseudoglandulina lagll1loiUJ (OlszeMki) LOe II Xmiddot 40 1rwmfesta (Reuss) Loc 1 X 45 16 Wagiiyenulino fUlIIarroano Cushm4ti I 36 p 8alacenaria d italica DefranceLoc II X 40 IS Vagmu

CarSey Loe I X 14 19 V t1J4dticostata Cushllun Loe III X 20 V cretacea Plummer LoeII x 13 21 Vw1bbiroiJlcniigt Carlley J~X 9 (Ai~er Cushman) middot22 middotV fubracilis Cushma~ (QC1 ~ 25 Palin-uta retiMdata (Reuss) Loc II X 9 24 Frondicutana verneujlian4

Loe II X L5 25 F clarki Bagg Loc IIX~S ((fter yenushshy F arcMaciana dOrbigny Loe II X 14 2 LagenocL ampwoo((1o

(~iJIllit~IiU LoC III X 40 28 L hispida R~US8 Loc III X 40 I - 1 0

Family Genus TROCffAMMINA~ ~ 2KOCJHAMMINA DIAGONl8 laquo()r-r) (pt

(For referen~es see these Con~rihutions v61middot 18 1942p This Iisa widely distributedspecl~

Navarro and Taylor groups~ Itj$Qftfn much Jn a list ofConic~amarl~ies

bullbull ~ middotPalvol 11 1937 p~ 150) include B Brady) which on examination of the S~~IDn11OUllJ

sidered to be Trocnt1IfMni1l4 JitJgon-is (Carsey) TBOCIlAMUlN4 TEXANA Cuhmain aDd WMeft (II 9 rl

TfochMn(IIIM t~ CUSHMAN and WATERS Contr Cushma~ vol 2 jlt 4 -1m p85 pI 11 fig 8

This species seems to be confined totheNav~lrrOgtlrrmU t aIr three of our localities Ifh~ cpaI1Jl1l1~1~

aiagonis (Camy)anddle periPheoJl timily LAGl-uoAE

GemisllOBtmVS MoutfOrt 1808 ~V81S4VAKB- (PiQJlt r) (PI 9

CtiitellMio 1IlWMtQWirPWMMEJUtuy Texas Bull 2644 fig 4

iLMJt~ ll4fJao~ P1I1MMpoundIl I c Bun 3101 1931 p Robtdur 1IIItJ4rro~ CiJSH~ Tenn DivGeol BuIL41

lauro Palvol S 1931p 303 pl 34 Jig 14-lllfluNGII~middot l3 N6~ 19Jt1 p IS pI I fit 1-LOEFllinll NeDtuka ~un 12 1937 p 20- pI 14 4~USKlIAN Contr vol 17 1941 p 55 pI IS fig 1

Cmttdlaria cvltata CARSEY (not NOIrnoRT) Univ Tex~

pI 6 fig 3 Th~ is lin excellent index fossilespecfcdly Na~rr() group~bove the Nacatoch sand It

The following varietY is usually (eImlC~alilte forms especially in the Cprilkall-

V4I-KfElNf8l (PlIl_eJO)bull ai BX~lL7A~~J (PWMMl1I) vat etItlIoIlgt11l1 ~u~~

I bullbull 1938 p~31gt pI $ fiI viriittl j~als6 3lllri(J~ J~~ middot

ucs~~Ogt middoti$ variable in its fo~ particu~r~yjn ~t~ ~L It is anmiddotexcenentm_XilA~i bull~

the i Nacatoehs~dlt~t~~~ianYi ~1gtlUldJl1$ ~~~_____ ltoccurs atUtli~of()firl~~lit~-

~~~ middotImiddotjfl~ bulltl~rs~lftlia bullbull ~firiti twoof tbe 1oe~llitiesf~ne ~i)filMjaltO

Fjsilt oLCooi~dge middottJAftaim7Lni f~~JL4iS(i~lt MtWg~plwmlIUal CUSHMAN ContrCusltnJJ~bull fab bull p 91 pI 13fi85 21-23 ~

HemUrirtellariaewit PLUMMEa (not R1rulIs)~(Jniv Texas ~idi nOlmiddotmiddot J pI IOngs 14 middot Cmtellariolineara CARSEY (not C linearisDORBIGNY) UnivrejraiBulL p 36 pI 2 fig 3

This shoUld be a good index fossiJfl)r the UPper age It is present in materialfrom the three JocaJltleJmiddotLcNf~

lIfARGINULlNAOUftV4TURAClI8hman (PI uj

Margmldina cUrtlatura CUSHMAN Contr Cush~anLab Foram p~4 pI 5 figs 13 14 bullbull The types of this species are from the Corsicana marlof

on Oni~n Creek It also occurs at both of the other ltU~1bullbull

here It would be a good index fossil for the upper part of group Microspheric specimens closely resemble Mmiddot mtymiddot be distinguished by the lack of a cyl~drical

~6Jlo(jLlNA 0 (PI 10 tIw 1)

A single specimen from Oni(m Cre~1t is here tionis coiled With raised sutures while the laterPo~ttltm sutu~sandeldogateinffated ch~bers In its bull

_ whatreemblesM ptwmmeraeCushmari lmt -the ml~h more elongate

gt ~uS QENTALIN dOrbigay18)~ DENTALJlIiA~ATA enmail tJimtaliM amwata CUSHMN (nOt REuss) Tenn _Div

pI 3 fig 3 Dmt reurn PLUMMIIJ (~9iNBUltllBigtali1t)t

pIH fig5-SNDIOOB Joumpal~VQt6 DtmtaliM i41iplanatfJ CumMur~l~~~~I1l fI)QIIn~ p 38 pI 6 figs 6-8 vol 1619Ict1~B2~Pllfii middotlmiddot6middot~ulllitfltff~~

1 c vol17 1941p 88 pI 216g 23~

This species often occurs in consid~rable tnlrnli)Cl8bulliildhi m~l It occurs at all three afout 1(1~~b1ies~ isless common in the lower part of the NIV~tm Rgt~( -raylor group

Sotneof the specimens which have beenreferr~d to-~1tJ~~djl po~jan~ Reuss probably belong here as dltfthespecin1en~rj)m

Cofllican~ Clay Pit referred to Detntalina grtidlfJ ~1 Or]bijzn~~t britt~riarid Phleger (JoumPal vOl 11 UJ37~p35f)

bull Y- I ~ i bull

fl~~gJtA(~smiddot 41O-IIY Ol lotlf6)

votts 1942p 57) rariabl~specieswith ~ wide i~nge It

j ma~a1 only at the locality 28 tnilesESEgtcif tO()leciG

_~l~Ai~NIf4ll__imiddot (Pl lOmiddotftampIl) PCUMMlR UPivTexas IML 3101 1931 p154iPl1l~middot JotimPatVol 6 193Zp 274 pi 42 igS~U8I1MJIN Fotam Res vol 16 194ltl p83 plmiddot146p 28 29 at all thr-ee of our locditiesbull Jthiaawide bullbull3

Taylor ~oups

raquoliNTALXNAd(10~~JH-A ~orli~rti ~Jur~ens tef~rif~ t)thitf~li~ie$ are from the sec1ionlt ~ ~ ~-

tll 10t810) Clial[~Q6Dt~(yen~in Lab Forain Rea vol 14

14 6gs7lf bullmiddot~eCn~l ate ihe~Corsicanamarl 8 mileiiitl

it occurs alsoinXlieOnionmiddot Cfeek 8bullbull(cttolllmiddotmiddotiJQtmiddotIgt material frotnlttMCorslcani~3)middot~ii eft

t~tSelraquotllere than in the COrsicana martmiddotmiddot bull i lt ~

Genus NO~l~middotl8ti ~O~ABlA AlFINlS bullDtIoItImiddot olilt1~iitif4fi

~~ Contribut~ons vl~S~~~)~~~~)middot thlsl~rge wulemiddot ran~nglt$pcentc~~~Ulat ill

~tum ~ _ I t _ _ -

~~~dex foss~J~thi$ pan~f N~D01IA OOBIJlt~l Vjja~4

N6Jris4M cofJictmtIIIU CuSHUAN Conti p 42 Pl 7 6gsi-4~ vol 161940 p This ~eem8 to be a good index

It()trec~tded else~ere It Occursiri of Cooledge and from the Corsicana Clay Pit

- -

Genus PSEUDOGLANDtiLiNA Cushmau1Z9 PSEUnOGLANDULlNA MANlFE8TAfBePII) (PI HImiddot

GlillndulMul~fest4IRE6ss Haidingers N~~ Abhandl vot4pt 16g 4-FIlANKE (4bhandl Preuss Geol Langesnser 1101 pI 4 fig 2S-CUSaMAli and CHuRcHProcCaIlfAcad Sci ser 4vo1

pbull 511pl 39 fig 10 No4osaM 1fWJ)Iifesta CUSHMAN BulL Amer As~oc Petr G~I vol 10 plIS fig 8-SANDlllGE Joum Pa v~ 6 1932 p278 pl 42fii t NorJoSaM larii~ CAll$EY Univ TeXas Buil 2612 1926 p 31 pl 2 fig~middot

middotUotlriftviia wmilv CUSHMAN bull (not ROEMER) TIDIl Di~ rot BlI4 U71-

pL4 fig S This is a yariable form with awide rangeThereiscQ11Jl(let~abli

ferenee in thehape q( the microspheric aIld ml~alo~ir111(~( occursrather farelyat all thr~e of (1)ur localitiE)s

PSEUDOOLA~nl]UNJA IlAGEN~IDB8 (OlsWlkl) bullbull ~rt

(For references see these ContriilUtio~r vd 17 1941 p 89)

Specimens are rare in the material from 28 IlIiles andin the OnionCreeksection

Gen8SARACENARIA~ce SABACENAJftAd(ITAJtCA J)efrlQl(lebullbull (Pl

Rare specimen~ maybe referrcentd to thismiddot 8P~~~S wi1tli8tHiIi lhey are from 28 milei~sE Qf

1

Genm VAC~~Qt~~~~Iamp~~~ VAGlNULJNA MULmiddotTi(l$~f4middottlllilrIl~

bull J agintuli1l4 multicoftata CUSHMAN Contr C~~(lQlmiddotmiddotAIbulldm p 28 pt 4 fig 4

VagintdiM finWndsi CU~HMAN (part) (notCDiin)middot p~ 3D pr fig (rict fig 8) )oum PalvJ[

Most ofthe records for this specie$lti-re e yal~nts although it ranges into the 1aylor

9~~ localities gt VAGINUJINA SIMONDSI Cane) iL lI)-llgis)middotmiddot

~ _Usi CAIlII~ UnivTexasBuD2612 192fup 4QllJ 2 fig d~~ CiBu1I 3l()11931 p161pl 10 figs 13-15

~ 0 - fmiddot

t

to but i~ ~Djih1JedttrlValtd tb~regteIend and h~s ~6Staeo~er

iUgtlIULiIlUIII ~obeCOllfinedtO the Navarro gioup f6citli1tieSIJt Octti~fi only ~t the Corsi~na ClaYPi~

AGINViINA C~ETAUEA Plummer (PI 10 1IIr 20)

bull~LUMMER var Cfe14cea PLVMMEII Univ Texas Still 2644 J926 p 112 pI 2 fig 8 tretacea ClJSHM~ BulL Geo1 Soc Amer vol 47 1936 p 417p[ 1

~ I

see~s to be a good index fossil for that part ofthe NavatmshyaQQVethe Nacatoch sandoccurring in the Iampmpcl~ ill~dCo~-

marjof Taas Arkadelphia marl and Saratog~ chalk ofAr-- Phririe Bllft chalk o( Mississippi and Jlabamamiddot ar-aRlpler

OfMississippi middotIt also occPrS intheUpperCriaceous of ltlIf- age mthe canyons -otGeorgesBank Itoccu~at alhhree0(

~ bull r _ A ~ bull

~ditiC8 VAoiNULINA NAVAiuioAN~(Juhrilim (Pl 10 Ihr 16

lIIWM1Oana CUSHMAN Bull Geol Soc Amer vol 47 19~6j p 416~ pl bulln ~ and HEDBIHG Contr Cushman Lab Foram -Resbull vot 17 1941

pl 226g1 middot 1 I

types ot thiS species are from Cretaceous greensand 0pound Navarro the canyons of Georges Bank It h~s also been recofded froni

MitO Juan and upper part of the Colon formation in C~1olTlbiaIt int~eporsicaila marl andoccuramp in the K~p Clay ()f

Bhi chalk of Mi$sissippland Alabilmi andinthe ~~Arl9lnampas thet~ a~esJe~imen8in aDt-bfee of our l~ -~

snoulpmke a good indexfoosil for~h~up~~art of themiddot group

VAOINlJLINA WEBBE8VILLENStS (JilrIJtli (iJ Ul~ n 21)

YtlrtMzulii Wd-bbtiromemu CARSEY Univ Texas BulL ~612~ 1926p39 pl ~fig7-gt l~ Bull2644 1926 (1921) p 39 il)p 7~UIJH~O)tlttr Foram Res vol 6 1930p 21bull pl 4middot6g l4w---PlUMMEIIUniyeni_ 3101 193 p 160 - ~

a fineiarge species and an index fo~iIfor the Co~icanamiddot other heltls of Navarro age aboveihe Nacatoch sanampitcX

at all threeof our localities VAlJINVLINA ~uBGRA(JILIS CWlhm811 CPI ioftgmiddot 22)

subgracilu CUSHMAN Contr -Cushman Lab F~ram Res vol 13 pI 15 Jig 13

gt4ciUJ CUSHMAN (not PiUMMEI) Tenn Di Gen1 ~ iig 11

GenusLAGENAW~andbt198 tAGEllA atsPIJ)AmiddotBtgtrigtll~~ IIiiJ~) ~

ha~ p~niiricztpdedtihdeithis iian)e~Our only specii th~ 6nio~Creek 8ectionwhereitisrare~

~9~8~ plmiddotl9$gsl rmiddotmiddotnl JOUinlal vot 61932 p pi

middotp418wJm81UB Nebraska Geot fig f FIUZzELL Joom Pal vol 11 i348~

PolyniOrphina gibbamiddot CUSHMAN (not DoRmGNi) Btlli 10 1926 p 604 pi 20 figs 8 IS This species is widely distributed but iIi America isl~OrdttllW

to the beds of Navartoand Taylor ages with titre Upperbeds of Austin age It occuitrsa~allthree 9pound

OLODUuNA JAClUMA ReWIs Valt HORRID BeUlis middotUL Globulinis wrritJo REUSS Versteii) boJun ~feide pt 2 1846p OrObuliM 14crimaREvs8 var lwrrida CUSHMAN antl OzAWAi Proo

middot vol n Art 6 1930p7~ pI 19 fig 3~USHMANmiddot Jauro PaL 331 pI 51 fig 3 This variety differs from the typical fornt in having a

surface and the aperturalend usually fistulose It oCdtirs~mmiddot tenal at only ouestation in the Onion Creek sectiQn

Genus PYRULThlA dOrbipy J$39 PYRULINA ()YLINIi~mES (Roemer) bull (PI l~ lIS-~)

PotymotpJrina cylindrofder JtOE)4llt Neu~ -Jahrb filrMin lS38p 26-H B BRADY PARKElt andOlbs lrans Linn Soc vol~21 pi 39 fig 6

Py1UiiM cyl~oidel CUSHMAN and OzAWA Proc U S Nlt 1930p 56 pI 14 fig~ 1-5-CtlsmAN Tenn Div Goo ph 6 figs 1 S-TAPPAN Joum Pal vol 14 19~ p 114 pt

PolymorprMw tWiformiJ CUSHMAN (not ROEMER) Bull Amer vol 10 1926 p 604 pl 20 fig 14 i

Polymorphimgt gUtta W BEnyen (not DOREIGNY) ill Benr~~ VlnCmiddotmiddotmiddot~~~ Nat Mus vol 16 Art 19 1929 p 10 pI Ifig It

This is a rathermiddot variable spe~ies andusuallY siderable numbers It ismoltlyfoundin t~arro~Uomiddotmlf part of the TaylQrgroup OurSp(lCimeIl$aremiddotfrOmitljeColrsi~$l~f~ Pit and from 28 milesESEof Gooledge~middot~

cGenus PSEUDOPOLYMO~INACua1m~naPd ()~ 19t8

r PSEUDOPOLYlIORPJJINA CUnEBI Pl~el (Pt 11 llr PJe1ulqpolymorphiM cUyeri P~UyenMER U~v Texas Bul1 31(H

figs 18-21 Pll1UdopolymorphiM me~dezemiJmiddot CUSRMAN and OZAWA

middot Mus ~l 11 Art 6 I930p 109 pI 28 figs 19 middot ~isisan excellentindex folisil for the upper portion

gr6JIPbeing particularly well developed in the ummiddotUamp

seyeraJtimes as l~rgea8 P mendeicnsis and in

Genus lAMULINARuperl JonfS187( JJAMtJJJN~ NAVARKOANpn81DampJi(~i ll( fig 11

CUSHMAN Conti ~man Lab Foram Res vol 14 U~

is known only front t~e Corsicana marl occqrrihg jn 2Smiles ESE of Cooled~e and from tile on

GeliusBUuoPORA Quenstedt 1856

DUUOPOK-A LAEVIS (Iollu) (PI 11 fig 8) bullbull

~ltv_omiddot GeoIMagdec 2 vol 4 1877 p~03pl 6 ftp 1~3 CHAPMAN~l c dec 3 vol 9 1892 p 54 pI 2 fig 4 Ann and Hdt~ 6th lIer voL 18 1896 p 332 tcent fig 3 Joum Roy Micr Soc

pkI2flg 12-BAGG Bullij8 U S~Geol SurVey 18~8 p 36 pI 2 llamplPMAImiddotlc Ann and-Mag NatHist 7th ser vo)3 1I199p 314shy

Oed S~rVeY1 PaleontOlogy vol 4 1907 205 pl 1 figs

SAPII(AN Bull 72 WAuS~raIlaGeol SUney 1917 p 37 pln~ fig~lOl wlcicllNDEN~ JoumPalvol 6 1932 pl06 pI 29 figs 6g

Speci~J PubL No5 Cualinian La~ ForaJIl Rel~ 133 pl 221ig ~4 Journ Pal vol 14 194) p 115 pI 18 fig 6

r~feiTed to this spedesare widelydistributcai~ theC~~( ~he Corsicana marlitoccuysinmiddotthematerial fi()in2S mil~$ ~t Coolidge and at one stationintheseccion on Onion Cteek

Family-NONIDNJnAE Genus NONJONELLACushnimlt 926

bull N9NIOloELLA KClBUSTAP~ulli~ mlH iii ) loliUJta PLUMMEllUniv Texas~Ll()l 19HP175pt 141iIl 12~

11s Geol Survey Prof Paper 191 1939r Plp[ 7na l CAllSIY (not FITCHEL ahdMo~L) UnivTexasBuU 261Z

Jig 2 excellent m~~fossilfor the N avarro ~roup a~ur bull

0gt Fritify middot1T-rtJampgJJlra~I51I (eIi1lS

BOUNINolsis ROSUU Qil~abI~l

Sjioplcct(I ror~ EajU(BERG MiIcrQg~oJie SpjropleCtOUertarula CUSBMAN Contr Cl~htllan

62 pI 13 fig 9 p 114 pll3 figs 6 7Tenbmiddotmiddot pl 7~~ 9 Special PubL Nobull 4 Cushman Lab

Spef)ial Pub No5 1933 pI 26 fig 4 Conti nlLI0 Bolivinopsir rorua MACFADYEN Joum (oy Micr Soc vol

MAN Foraminifera theircla~sificationan4ec()Jlomieu~ fig 12 Key pI 26 fig 4 This species is widely distrilmted in the CretaceoU$-

material from ~llof our localities in the Corsicana mart

Genus GUMBELINA Egger 1899 GtlMBELJNA STRJATA (Ehrenberg) (Pl ii lilt

(For refetencelJ lee these Contributions vol 18 19t1p63) This species is rare in the NavarrO group It

from the CorsicanaCIy Pit ~nd frOm2~8niiljs GtiMBftLINA GLOBULOSA(Ehrellblllli(Pt 11

(For references see these Contributions yol 14 193S bull pii) This is a widely distributed sped~ranging thtfuigh

to and Taylor groups It Occurs at all three pf 19Calitiesmiddot

ODOELINA()OSTULATA Cushman pi 11 GUlmbelitugt cortuataCUampIMAIfbullContr Cushman LabForam

16 pI 3 figs 19 This speqes also ranges throughout die Navano

arid occurs at allofour loqali~s GttJIJmJNA~iIoutACuJm~ lt(FCteferences se~ these (oiltilibu~voJ 17 Most of the recordsfottbisspeci~ wif~ K~mp day and Arkadelphia tn~ilmiddotof middotlmiddotf~aH~ retords [arit in the upper partoftl1e ~tbeSelmachalkof weUs inFloridamiddot Iet~IC64JUS of Mexico and Colombia

fiiltyenJiUalJllIitAi~A(lllUlCm~D ii LI CQntieibutions 111 17 194iil91) indufbssit fotthatpart aLthe Nayarrogrollp ab()v~th~

~ea~~n sand It occurs in the material fiom 28 miles KSEltli qojIe4JN~Illd from the seCtion on Onio~ -Creek

v Genus PSEUIXgtIEXTULAIU Rzehak 1886 P8JnIDOTEXTlrLAlUA VABIANSBzdl~ (Pl 11 g 11)

iierliilCe8 see theSe Contributions vol 14 1938 p 21) species in the American Cretacebus occurs in Mexico particu~ ~heMendez shale It occurs in the Kemp day of Texas and at all three of our localities in the Corsitanamarl

Genus VENTILABRELLA Cushman 1928 tENTlLABBElLA (lABSEYAE Plummer ltPI 11 11amp 18)middot

refetemessee these Cpntributi()Il8 vol 17 1941 p 93) is all index fossil for that panofthe Navarro group above the

sand It oCcurs at all three of our Corsicana marl localitieS

Genus PSJIDDOUVIGERINA Cushman 1927 PIlEUDOl1VIOEBINASELlGI (Cushman) (Pl 11 IIi 19)

lfoiJelm~~ki CUIlHMAN Conte Cushman Lab Foram Res vol 1 pt i19~ lig l-PLUM)fEll Univ Texas Bull ~101 1931 p 186 pI 14ampgto

fJf1liM~ tli7Wt-ri4t~ C~8EY (not REuss) Urrlv Texas BuD 2612 1926 p4a lig L ~~~~~

$p~ilts seems to b~ characteristic of the Navarro group above(~ sand It is found at aU three of our Corsicana marlld

It is recorded by Albritton and Phleger as ttEouvigerina Cushman (journ Pa vol 11 1937 p 3S1) asshownpy

of tpeiroriginal material

Family BULIMINIDAE Gen~ BULIMINELLA Cushman19n

-) BmlillNliJLAoABIiIEYAE Plullllner var PLAN4 Owibfuall anil Palkelt bull (PI 11 g 20)

ifMlimiMllacarlYaePLUMMEll var piaM CuSHMAN and PAiKElI Contrbull CUlilimab

~Lab F~riun Res vol 12 1936 p 8 pI 2 lig 7-CUSHMAN and HEDBIampG 1 c Ii 1941 p 94 pl 22 fig 26

varietyis characteristic ofthe Navarro group ~bove the Naca- and occurs in the Colon shale of Colombia It occurs in our

rw the Corsicana Clay Pit and from the sectionortOnion TTmiddotfllTl

~

j~ ~ri MowWvar middotft4itJMtomr WsllloWilf31td

Lab Foram Reampvolll 1935 p 100 This variety seems to be limited [OD~iI~h()1

cicularly common in the Corsicana localities

BULIMINA PBOLlXA Onsbibniapd Pa-kM

Bulimiiwpuscm CUSHMAN (not REUSS)middot Tejtn Ow Goo 7 fig 19

B~iminamiddotp1oma CUSHMAN and PARKERContr CushmanLab 1935 p 98 pI 15 lig 5

This speCies occurs in beds of Navarro age and in of Taylor age It occurs in the Corsicana marlmiddot only at miles ESE of Cooledge bULIMINA KICKAPOOEN$IS Cole sr mOUA CIlli aail ~ker B~ kickapl)Ocmir COLB var pmgIUICU8HMlN and P

Lab Foram Res vol 16 1940 p laquop1 ~ figs 13 14 The types are from th~ locali~Y28nHlesESE

occurs at both ofou~ other localities the vane~~~~ dandy and is anexcellentrilarkerfor this part occurring in besides the Corsicana marlthe Kflinp t~e Pr~irie Bluff chalk of Mississippimiddot i

BULIMINA ASPERA Cahman and parker (Pi nbull

(For references See these middotContributionsvol 16 1940 P middot441 Specime~s referable to this species occur in

from the Corsicana Clay Pit and from Z8miles is widely distributed in the Navarro arid T

y Ge~~t~~~iaiI ~~_ middot(N~obulirnma canadenrjy 6lS)MAN lll1d WlCX~ii~(ContrillmiddotII1lmiddotJl1middotlaDQ3

Res vol 4 1928 p 13 pI I figs12c1Js~TlDnpiv~ 1931 p 48 pI 8 lig 1 SpeCial PUbINo~4ttuShrnai(Lab Foia~1 Pl 22 fig 24 Special PublNo 5 193~ pt n6g 15Cu8HMMf

Contr vol 12 1936 p 9 pI 2~gs 9 lO~JBNNINGS Bull Arne No 78 1936 p31 pI 36g 22 This widely distributed species oc~ursin our rllt

KSE of Cooledge Genus V1RGULINA dOrbigny

3 VlBGUUNA NAVABBOANA euhmaa (Pt

(Fomiddot ref~rences aeeSpecial Publ No9 1937 p 6) Tliiss~ms tobe a good index fossilmiddotfor the Jo-____ bull

~Y CeA~tox()$TO~Ehrenbeq18S4

LoXOSTUMnH JiAJltTM (~7middot Pl 1l1Iamp21ir

these Con~ributiobs vol 171941 p 95) species qccur at all tnree of our Corsi~ana 16calities

PLAIIlUM (OallleJ) ar~ LlMB06Uyen CusIun_ (Pl 1) a 11)

Specia)PubL No9 1937 p 110) is confined to beds of Navarro age ~tthe locality 28 miles ESE of Cooledge

Family ELLIPSOIDINIDAE Genusmiddot ElLIPSONOOOSARIA A Silvestri 1900

QiPSOWODOSABIA S1lllPBBNSONI Cu8lunuPl 11 11amp S)

1IOtcgtSMlr rtlfMNoni ClSH~AN Contr Cushman Lab Foram Res vol 12 pl 9 figs 1015

middotWIU~ r~nges through the Navlluo and Taylor groups In our JlI~LCllu it occqrs at the Corsicana Clay Pit and from 28

of Cooledge - iitISONOI)OSAlIllAmiddot ALEXANDERI Cuslunan v IyenPJCNSIA Ouaran

(PI 11 iig- 29)

~tli4IIria(JleXonderi CUSHMAN val impenJia CUSHMAN Conir Cushman Labbull ~I 14 i938 p 48 pI 8 figs J 5-FIIIZZELL ]OOnl Pal 01 1~

p 350 pi 57 fig 4 form is a good index f9ssil for the upper part of the Navarro

eSpecially abundant in the Corsicana marl It occurs I

ourlocalities I

(1) oBANTI (Plummel) (Pl-middotii 11amp30)

JLtJMlIgtIfIttrniv Texas Btlll 26441926 (1927) p83 pl 5 fig 9 (t) tr(ItIIt~CUampJIMANl Contr Cushman Lab ForitmRes vol l2

fl 9 figs 3-5 eJretaceolils this species is largely confined to- bEds of NavQlTo

are afew specimens from the upper part of the T~16~ in our material from the CorsicanamiddotmiddotGJflyPitand tom

of Cooledge

Family ROTALIIDAl Genus y ALVlJlJNJlRI4 c~ 1926

VALVULnIlIlJilA OBElA(IEA (amev) (Plmiddot nlIg 1)

CAlliIllY Univ Texali Bull 2612 19Z6p 48 pl S fig t-6ANDmcm bull Nat vol U 1932 p 364 pl 33 figs 78shy

~Uli apparently belongs in the genlUi Vall)~ It amptgt1Wl1latlt and characteristic of beds of Navarro age withi

occ~r~ences in thiT ~ylo~ group localities

VALVULINEBIA t UMBILICATULA(dOrbbmr)

ValulmerW d umb-ilicatUla CU8HMAN Tenn Div Goo Brill figs 2-5 bull

GyroidiM umbiampata CUSHMAN Contr Cushman Lab For~m

p 43 pI 6 fig 3

This is a variable form possibly identical with rOrbignys It occurs inthe Navarro group particularly above the Nala1~Orh In the Corsicana marl it occurs at our locality 28 Cool edge and in the section on Onion Creek

Genus GYROIDINA dOrbigny 1826 GlljomiNA DEPRESSA (Alth) (Pl 12 fllr 4)

(For references see these ContribIltions vol 17 J941 p 97)

This species has a wide rmge nearly throughout the middot ceous The only material from the Corsicana marl is from the qir~1centa~lak Clay Pit where it is rare

GYROIDINA GIBABDANA ltReuss) (PI 12 fllr 3)

Rotalinli girardana REUSS Zeitschr deutsch goo Ges v()L 3 1851 1 fig 34

Gyroidina girardana CVSHMAN jtlutn Pal vo 5 1931 p 311 pI 36tig Publ No S Cushman Lab Foram Re~ 1933 pi 30 fig 3~tB

Conservation Geol Bull 16 193-8 p 35 (list) pI 2 fig 13

EXPLANATION OF PLATE 11 FIG 1 Guttulina adhaerens (Olszewski) Loc I X 40~ middot2

roides (J1oemer) Loe II X 40 3 Globltli1la latrima Reuss+ G lacrima Reuss var horrida Reuss Loe III 40 5 mendezensis (White) Loe L X 40 6 P cuyleri flamulina navarr()ana Cushman Loc II X 30 U11_middotmiddot n

Bulopora lalvis (Sonaa) Loc II Xi 15 9 I X 65 10 Bolivinopsis rosula (Ehrenberg) Itriata ltEhrenberg) Loe I X 40 12 G gtobutosa (E~~~~~g~~~~middotw 13 G costulata Cushman - Loe 1 X 1+ ~ I X 40 15 G elColita Clshman DOC II a feOlit (After Cushman) 16 G1lmbeUt~ tretacea Cushirtan Loemiddot dotl~tularia varWns Rzehak Loc I X 40 18 Ventil4~1f111a CMSIIIi(i$ltmiddot PIPiiI~r Loe I X 40 19 Pscudouvigerma seligi(Cushman) Loc[ J apertura view X 80 20- Buliminella carseyae Plummer var plalla Pl-rker Loe III X 75 21 BulimitmrcUssi Morrowvar lla10aOSM and Parker Loc II X 75 22 B asplira Cushman and 23 B prolixa Cushman and Parker Loc II X 75middot24

middotvar pingua Cushman and Parker Loe II vieW b apEirtutal Hootype (After Cushman and Parker) 25 1 a side view b aperturaJ view X 85 AfteidCullhrtlln) ~um (Carsey) Loe IJI X 60 var iimbosum Cushman Loe II gtlt75 28mH Loe 1 X 40 29 E ai_nac Cushman var ~mp61iS$a Cq$htItlllL~Iltt II X 30 Holotype (After Cushman) 30 E (i)

middot X 25 (After Cushman)

ofmiddotout~lititlS ArietatfiiUati(Jriltgtft~SDl4lJlIleJJll ill ~l1dPhlrs ~~Gy1oiili1W mickeli~

PaL vol il1937 p352) shOJIld bel()ng here

Genus EPISTOMINA Terquem 1883 EPISTOMiNA (JAUCOLLA (~~) (Pl 12 fIlr 6)

carscolkRoBMQVerstein QorddeuttlCh Kreide 1840-41 p 97 pI 5

cfNac61ld CHAPMAN Joum Roy Micr SPC 1898 ~ 7 pI 1 fig 9 caraco~FIlANItE AbhandL geol-pal lust Univr Gieifswaltl vo 6 1rZamp

pI g)ig 1O-CUSHMAN and CHURCH Proe Calif Acad Sci ser 4 vol 16~ middotcIIWgt pS17 pI 40 figsIO() 11-13-CUSlIMAN Tenll Div Goo Bult41

p 55 pI 10 6g1-LoE1TIlLE Nebraska Geol Survey 2dmiddotser BRIZ po 62111 11 ng 2-CUSHMAN and HJIjllE~() CQnt~Cushman Lab Foram vol 17 i941 p 98 pI 23 fig 19 ri[Jl61~ WBEllRY in Berry an4 KelIey Proc U K Nat Mus vol 76

t91929p npL 3 figs J6-18 iswidelydistributed in beds of Navarro andTaylor age

mad it OCcurs only at the locality 28 miles EsE

Cenus SIPHONINA Reuss 1850 IIIlPBONlNA iaIMA Plllmmer (PI 12 fig 6)

prima PLOMME~Univ Texas Bull 2644 1926 (1927)p 148 pI 12 fig Prot U S Nat Mus vol 72 Art 20 1927 p 2pt2 fig A

N SuI Altier Pal vol 23 No 78 1936 p ~3 pi 4 fig 3 Tvon ohhis speCies lttref~Oin the Midway (Paleocene) of Texas

bull bull c bull f ~

lalvulinffllaquo cretacea (Carsey) LOc I a dorsal view b ventrar~iew view X 50 2 V d -umbUicatula (aOrhigny) Loe n a dorsal

ventral view X 4O3Gyroirli-natP1ardJffi (Reuss) Loco I tzi Idonal ventral view c peripheral view X 75 4~G deprCfa (Alth) Loc I view b ventral view c peripheral view X 75 5 EPisiomina c(1f(Jifllld

1ocbull II a dorsal view b ventral vi~w X40 6 SipwniM~middot II a dorsal View bventralvteW X75 1 Ce1atobultmi~

UU and Harris Loc II a dorsal view b ventrd Vtew X 40 8 gtabrata Cushman Loc III a dorsal view byeitral view Ci peri X 75 9 Allomorphina nnVlrroana Cushman Loc I a dorsal

side viewshy c~ ventral view X eurogt5 Hootpe (After Cushman) 10 ~t4 Cushman Loe I a side view b apertural view X 5S fJoloshy

Cushman) 11 Globotrunci1itl ana (Cushman)-Loc I a dotshybbull ventral view X 40 12 Globorotaft4 +nembrantuea (Ehrenberg)

la dotlllll view b ventral view X 40 13 Ammalina _ls01Ii W Berry ii dorsal view b ventral vieY gtlt40 H A p~eudopapillOJ(I Carsey dgrs~lview b ventral view c peripherafview X SO (After Cushman)

~PJamJJifJ~ COfftrcta (Carsey) Loe III~ dorsalviewbventral view c ~ri-i X 5 (After Cushman) 16 CibicideJ harperi (Sandidge) Llaquo vieW b ventral view X 40 I

vide

Simi1altorms~linth~ OiniiKi

inTexas Adp~nsas MlSslSSlpm Outspecirnens middotfrornthe t(]lrllltJfrHI

Cooledge ana fromtne section on Onion Creek f

Family CASSIDULINIDAE Genm CERATOB~A Vroula 1920

CEBATOBULIMINACBETACEA cU8~an an Harrill (Pl 1214

CeratobuliJtina cr8tacea CUSHMAN and HA1ltIS COIltrCushmanLitlt vol 31927 p 173 pI 29 fig 1 p130fig 11ct1~~lt

Bllll 41 1931 p 56 pI 10 fig 2 SPecial Pub No5 Cu~man 1933 pI 33 fig1-PwMMEII Amer Midland Natvol 11 The types of this species are Jtomthe Corsican~rrillrl of

is characteristic of the beds of N avarr6 ag~ above the N aca1ocll)i In OUr material it ocCurs only at the locality 28 miles Cooledge I

GenusPULVINULlNELLA Cushman 1926 PULVINULINELLA GLABBATA Cll8bman (Pl12fistIU

Pulvimdinella glabrat(lpU8HMAN Cantt Cushman Lab FotaJD~R~ vrnt-jLyeni7

p 66pl 11 fig 4 - -- The typesot this species are froJll the Corsicana madgt

entirely co~fined to tqe tipper beds of Na~ar~oage _atth~ loCality on onion Creek

Family middotCFlIidSTO~EtLlDJE Genus ALLOMO~A ~euyenlgSf) ALLQMOIlPBINA NAY4BROANA puiohmaJ+ULllIIiiJP)

Alomo~Pkna navaoifn8 -CUSHMAN CQntl Cu~h~~~t~bFpounditiIll~e8 1936 p 73 pI l3 fig 1 bull Theiypes are from the CorsieanaClay Pitandth~rcentaietmiddotnmiddot~middot1m

aJso from the sectionon Onion CreekThe6nly Qtner record the Kemp clay of Texas I(would ~ therelinethat this ~)1f(l~ be a good index fossil for this upper-part of the Navarro

Genus PULLENIA patker and JQo_ 1862 PULLENIA MINUTA C hman (PI 12 Jig 10)

Iull~nUJ minuta CUSHlMAN COIltlt Cushm~n Lah ForaUiRes vol ~iLo~gtf pI 13 fig 7-CUSHMAN and TODD 1 c vol 19 1943 p 8 pll~ The types of this species are from the Corsicana iWIrl

at~U three oE our middotlocalities It is an index fossil forthi Navarro age occurring in the Kemp clay and Corsicana Inafl

and)n the Prairie Bluff chalk ~f Missi~sippi

Fott~b~A~~~kAt~ESE~JlaquoH Fa~ily CLOBIGERINlDAE - ~

GeDus GLQBIGERINA4Ottpgny 1-82r bull bull GLOlJlGERINA (JKJllT~(JEA jJOrblllDY

gttbis group is under~ttidy at he present time and final detetiriina~ middott~p of sp~cies has not been completed At all three of our yorsicana mad localities there are specimens probably identica with those of )~ifOrbigny

Family GLOBoRarALIIDAE Genus GLOBOTRUNCANA Cushman 1927

GLOBOTRUNC~NA FORNIC~T~ lllIDmer

imiddot(For references see these Contrib~tions vol 17 1941 p 99

~singlemiddot speci1men from the locality 28 miyens ESE of Cooledge seems to b~loQg to this species Its normal range is from ~he N eylandshygt-V-in~ marl member of the Navarro grptip downthfougb the Taylor

GLOlJOTRUNC~N~ ~RC~ (Cushnuin) (PI 12 fiamp 11) ~YtllfntWkllna arca CUSHMAN ContrCushman Lab Fortt1 Res ~()L 2 pt 1 1926

pI 3 fig 1 I bull

rz~b(ft~fnCatlltZ arca CUSHMAN I c vol 3 1927 p91 pI 19 fig 11 Journ PaL Vol 1~ 1927 p 169 pI 28 fig 15-CUSHMAN andCHBRcH Proc~ Calif Acad Sci

ser 4vmiddotol 18 1929 p 518 pI 41 figs 13-CUSHMAN JOurn Pal vol Q 1932 (p~3~~pl 5l~ffig 13---GLAESSNllR Studies in Micrctpale~)ntology vol 1 fas~ 1

1937p ~6 pl~ 1 Jig 1O-CoLE Flortda Dept Conservation Geol Bull 16 1938 p 36 (list) pI 4 figs 11 12

Cldbigerina osetta CARsEYUniv Texas Bull 2612 1926 p 44 pI 5 fig 3

Specim~Ilamp referable fo this species occur at allthree of our localities I Gen~ GLoBOROT~IACUs)lman 1927

GLQBOBOT~LI~ MEMliKANACE~ (Ehrenberg) (PI 12 fig 12) llImuma membranacea EHIlENBEilG (part) Mikrogeologie 1854 ph 26 fig 43 (not

~p125middot lA fig 41)

P~l~in1dina mhnbratlacea CUSHMAN Bull Amer Assoc Petr Geolvol 10 1926 p 608 pI 21 fig 10 ( )

membratlacea WHITE Jou~n Pal vol 2 1928 p iSO pi38 fig h The Cretaceous rec6rds for this speci~s have been (ltmfineclto the

part Rare specimens from the locality 28 miles ESE of identical with Mexican specimens

Family ANOMALINlDAE I Genus ANOMALINA dOrbigny 1826 i ~NOMALINA NELSONI W Deni nit 12 fig 13)

A~ 1UIlsO-M W BERRY in Berry and Keiley~ Proc U S Nat Mus voL 76shyltArt)929 p 14 pl 2 figs 19-21-CyensHMAN Co~r Cushman Lab for~m Rtis yOl 16 1940 p 27 pI 5 figs 1 2~USHMAN and HEDERG I c -901 17 1941 p99 pI 23 fig 20

This speci~s has awide distribution~) NrllVmiddotlltgt1ROl1

upper part of thcent Taylorgroup In our (orsicana curs in the material from 28 milesES E of tion on onion Creek

ANOMAlJNA PSJIroDOPAPJLlOSA CarIIey(PlU 1IIr 14)

Anomalina psevrlopapllosa CAllSBY Univ Texa~Bull 2612 1926 pgt41 pI -PLUMMER I c Bull 3101 1931 p 200 pIHlig 13-CusliMAN COntr ma~ Lab Foram Res vol 16 1940 p 29 pl 5 lig 6 Themiddot range of this species is from the Midway (Paleocene)

ward through heds of Navarro age to and including the N~gtcaItCMI) uvl~ It occurs at all threemiddotof our Corsicana marl localities

Genus PLANUIlNA dOrbigny 1826 PLANULINA CORRECTA (CIUs) (PI 12 ftg16)

Discorbisc01fecta CARSEY Univ T~as Bull 2612 1926 p 45 pI 3 fig _-c~ u MER I c Bul~ ~10l 1931 pmiddot188 pI 14 figs 1middot4

Planulitut COfJctD CUSHMANContr Cushman Lab ForamRes vol 16 pI 6 fig 1l-CUSJiMAN and HlDlllltG 1 c vol 17 1941 p 99 pt This species is a characteristic one for the upper part of N~gtIil

group occurring in the Kemp day and ~orsicana mart of Texa$r adelphia mad of Arkansas and Prairie Bluff chalk of Alabama The types are frQm the Corsicana marl and die sJ)~~dettt curs in all of our localities

I

OIBlCI~~lSH~~~~~dJ~~~tfo ~~~g 1~ (For references see these Contributions yo 16 1940p 38)

This species seems to be limited to the upper beds of N avarlo In our material it occurs at 28 miles ESE of Cool edge and section on Onion Creek-

Below are given some of the more recent works on the that have come to hand Glaessner M F Problems of Stratigraphic Correlation in the Indo-Pacific

-Proc Roy SOl Victoria vol 55 pt 1 (new series) May-4943 pp chart-List5 and notes on foraminifera are given

Frizzell Don L Upper Cretaceous Foraminifera from northwestlrn eru-i~rQUlrIii~ PaL void7 No4 J~ly 1943 pp 331-353 pis 55-57 textfitS are 52 species and varieties described from the Mal Paso shakofwhicb

bull are new Thalmann Hans E Bbliogaphy and inde to new genera species and vlIrietilst

Foraminifera for the year 1940-1 c pp 388middot408

middotgt ~NtRIBful~ -- _ -~- - - t

1 Guflyin WfaCingislop~~f W drKimhrO2 I1llesS of M~paa Stephenson gt4 JoriesCrossing on Onioo G~~ juijtE way 9 miles in a straight line SEo capit~l Intt3U1gtIuI

Texa6 ColI by B J Plummer ~ 5~ San MarcosRiver left banktoo yards middothplnwmiddott1ird~

low Martindale CaldweU Co Ttxas CoIJby L 6 W-facirig bluff Guadalupe RiverU m~le$aJlmiddot~~~If

bull GliadalupeCo Texas CoIl by L ~W Stephenson 1 3 feet belowbase of E~otY1ttGryphaeOr De~hc~~~

iniiles E otCa~troville Bexar Co TexasGltgtlL

Additional Corsicana marl species (Numbers in parentheses refer to Iocillities above)

Reopk=teMa1llUS Cushman and Waters (5) AmmodifIur pen-nyi Cushman and Jarvis (5) HaplopkrlSgmtgtider cafcUlqCushmin ~ld -Wate[8amp2jJ$)~~ Haplopkragmoides glabroC~Shman~Waten(lVmiddotj B oplopkragmoides 8fclWataCushlllan~Wlltets(2 S) AmmobacUtiter coprltkil~ (Sellwager) (3 S) AmmwbacuUt~s texawurmiddotCushman(j) Clavulinoides arp~ra (Cushman) (6) H etilrostomeUa america11if Cushman (7) D01otkia glabrata Cusrunan (3 Trockammina gymider CZlshman and Watws (5)

Marginulina navartoana Cushman (7) middot1)~t4liM confluens Reuss (3) FIp1tampulti(ia tameola Reu~s (I) Gloh~~ri1M Reuss varrbtjlwIeua BuZimi~la cumma~ swdl4f(6) middot Val uZ p It

v ~nena yrj

P1dlen~ amencanamiddot middottmiddot7)middotmiddot~ Globotruncalla ~aMtWiJJta (ih~~)i~lt4)~~~

the fauna is a rich oneevidendymiddot(1(~P()Iampte4~)mi~~m~~ a~tYal shoxe line as indicated by thefi~t Inat~t131 ~

tliefaqna which is richest in tOlanllnimiddotIera)alE~IIi

dePts paper bymiddotAlbritton and Phleger(Jo~~n Par~

3-354) lists numerous spe~iesfroin ~he CotS1CiIla ~ haie eiamined their-material and occaiion~Fch aregtrecorded here

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problem, ':the' - Foundation...:~NtRIBful~ . .' .:,1:':. ': : '-:.,-" " _ " -~"-' -, "',-...

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Transcript of problem, ':the' - Foundation...:~NtRIBful~ . .' .:,1:':. ': : '-:.,-" " _ " -~"-' -, "',-...