Fossils

Crinoid

Brachiopod

http://images.google.com/imgres?imgurl=http://skywalker.cochise.edu/wellerr/fossil/brachiopod/6fssl-brachiopod-mucrospirifer-mucronatus2-dechant.jpg&imgrefurl=http://skywalker.cochise.edu/wellerr/VGM/fossil-hall.htm&usg=__mGx3bK01cKnQYLpquDD96sJSeec=&h=391&w=640&sz=86&hl=en&start=63&um=1&tbnid=GJd3iSUYl9zc2M:&tbnh=84&tbnw=137&prev=/images?q=brachiopod&ndsp=20&hl=en&rls=com.microsoft:en-us&rlz=1I7GGLD_en&sa=N&start=60&um=1

Gastropoda

Bryozoan

Coral

Bivalves

CephalopodsNautiloids, ammonoids

Trilobites

http://www.freewebs.com/mosasaurfiend/northernarkansas.htm

Fossils

Crinoid

Brachiopod

http://images.google.com/imgres?imgurl=http://skywalker.cochise.edu/wellerr/fossil/brachiopod/6fssl-brachiopod-mucrospirifer-mucronatus2-dechant.jpg&imgrefurl=http://skywalker.cochise.edu/wellerr/VGM/fossil-hall.htm&usg=__mGx3bK01cKnQYLpquDD96sJSeec=&h=391&w=640&sz=86&hl=en&start=63&um=1&tbnid=GJd3iSUYl9zc2M:&tbnh=84&tbnw=137&prev=/images?q=brachiopod&ndsp=20&hl=en&rls=com.microsoft:en-us&rlz=1I7GGLD_en&sa=N&start=60&um=1

Gastropoda

Bryozoan

Coral

Bivalves

CephalopodsNautiloids, ammonoids

Trilobites

• DLESE Teaching Boxes: Evidence for Plate Tectonics •The Paleontology Portal• Tour of Geologic Time• Understanding Geologic Time• USGS Fossils, Rocks and Time• USGS Geologic Time online edition

http://www.freewebs.com/mosasaurfiend/northernarkansas.htm