UNIVERSITY OF SOUTH ALABAMAMollusca (Mollusks) Mollusk Facts: Taxonomy: Phylum: Mollusca . Class:...
Transcript of UNIVERSITY OF SOUTH ALABAMAMollusca (Mollusks) Mollusk Facts: Taxonomy: Phylum: Mollusca . Class:...
GY 112L: Earth History Lab
Mesozoic Part 2
Instructor: Dr. Douglas W. Haywick
UNIVERSITY OF SOUTH ALABAMA
Today’s Agenda
The Mesozoic Part 2
1) Mollusks (Cephalopods) 2) Echinoderms 3) Alabama Stratigraphy (surface rocks)
Mollusca (Mollusks)
Mollusk Facts:
Taxonomy: Phylum: Mollusca Class: Amphineura Bivalvia Gastropoda Cephalopoda Order: Nautiloidea Ammonoidea Belemnoidea
Mollusca (Mollusks)
Mollusk Facts:
Taxonomy: Phylum: Mollusca Class: Cephalopoda Order: Nautiloidea Ammonoidea Belemnoidea
http://www.aquariumofpacific.org/images/olc/nautilusj.baecker_berlin_zoo_aquarium_pd600.jpg
Mollusca (Mollusks)
Mollusk Facts:
Taxonomy: Phylum: Mollusca Class: Cephalopoda Order: Nautiloidea Ammonoidea Belemnoidea Range: Nautiloidea (Cambrian-Recent) Ammonoidea (D-K/T) Belemnoidea (M-T)
Mollusca (Mollusks)
Mollusk Facts:
Taxonomy: Phylum: Mollusca Class: Cephalopoda Range: Nautiloidea (Cambrian-Recent) Ammonoidea (D-K/T) Belemnoidea (M-T) Mode of Life: Marine, pelagic, predators
Mollusca (Mollusks)
Mollusk Facts:
Taxonomy: Phylum: Mollusca Class: Cephalopoda Range: Nautiloidea (Cambrian-Recent) Ammonoidea (D-K/T) Belemnoidea (M-T) Mode of Life: Marine, predators Mineral composition: aragonite
www.rubybluejewelry.com
Mollusca (Mollusks)
Mollusk Facts:
Taxonomy: Phylum: Mollusca Class: Cephalopoda Range: Nautiloidea (Cambrian-Recent) Ammonoidea (D-K/T) Belemnoidea (M-T) Mode of Life: Marine, predators Mineral composition: aragonite Fossil Pres.: pristine. molds, casts, chalky
http://www.geofossiles.com/image_4667.jpg
The Mollusk Animal
Nautiloids/Ammonites
http://www.tonmo.com/images/content/ammonite-fig7.jpg
The Mollusk Animal
Belemnites
http://www.ucmp.berkeley.edu/images/taxa/inverts/belemnite_anatomy.gif
Cephalopod Symmetry
Cephalopod Symmetry
http://higheredbcs.wiley.com/legacy/college/levin/0471697435/chap_tut/images/nw0258ann.jpg
Cephalopod Symmetry
Echinoderms
Echinoderm Facts:
Taxonomy: Phylum: Echinodermata
Echinoderms
Echinoderm Facts:
Taxonomy: Phylum: Echinodermata Class: Crinoidea Cystoidea Blastoidea Echinodea Asteroidea
Echinoderms
Echinoderm Facts:
Taxonomy: Phylum: Echinodermata Class: Crinoidea Cystoidea Blastoidea Echinodea Asteroidea Range: NeoProterozoic-Recent
http://www.ucmp.berkeley.edu/echinodermata/crinoid6.gif
Echinoderms
Echinoderm Facts:
Taxonomy: Phylum: Echinodermata Class: Crinoidea Cystoidea Blastoidea Echinodea Asteroidea Range: NeoProterozoic-Recent Mode of Life: Marine, benthic, scavengers, filter feeders, predators
http://www.oceanben.com/expeditions/hi0701/Crinoid.jpg
Echinoderms
Echinoderm Facts:
Taxonomy: Phylum: Echinodermata Class: Crinoidea Cystoidea Blastoidea Echinodea Asteroidea Range: NeoProterozoic-Recent Mode of Life: Marine, scavengers, filter feeders, predators Mineral composition: calcite
Echinoderms
Echinoderm Facts:
Taxonomy: Phylum: Echinodermata Class: Crinoidea Cystoidea Blastoidea Echinodea Asteroidea Range: NeoProterozoic-Recent Mode of Life: Marine, scavengers, filter feeders, predators Mineral composition: calcite Fossil Pres.: pristine +/-Chalky
The Echinoderm Animals
Crinoids
http://palaeo.gly.bris.ac.uk/Palaeofiles/Fossilgroups/Crinoidea/crinoidreal.jpg
The Echinoderm Animals
Blastoids
http://www.indiana.edu/~librcsd/etext/hoosier/image/pa-10.jpg
The Echinoderm Animals
Sea Stars
http://www.sms.si.edu/irlfieldguide/SeastarBiol.htm
http://grhughes.hughesmordt.com/Artwork/thumbs/CrownThorns.jpg
The Echinoderm Animals
Sand dollars/Sea Biscuits
http://www.geo.lsa.umich.edu/~kacey/ugrad/3-pht--echB.GIF
Alabama Stratigraphy and Rock Suites
Collections of Mesozoic surface rocks from our fair state
Alabama Stratigraphy and Rocks
Mesozoic surface rocks (Cretaceous)
Mesozoic Sedimentation
Cretaceous •Southern rifting in the Atlantic Ocean
•Gulf of Mexico stops opening
Mesozoic Sedimentation
Cretaceous •Southern rifting in the Atlantic Ocean
•Gulf of Mexico stops opening
•AL Coastal Plain sedimentation
Mesozoic Sedimentation
North South
Only key formations are labeled (those discussed in GY 112)
Lab Time
GY 112L: Earth History
Lab 11: Mesozoic Part 2
Instructor: Dr. Doug Haywick [email protected]
This is a free open access lecture, but not for commercial purposes. For personal use only.