Environmental History of Maryland Miocene |
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Page 22
... Echinocythereis Pterygocythereis Henryhowella - Muellerina - Pterygocythereis Cytherella Echinocythereis ( 12 & 13 ) ( 14 ) MARGINAL MARINE ( none preserved ) Semicythereura Cushmanidea > Hulingsina Haplocytheridea Basslerites ? CALVERT ...
... Echinocythereis Pterygocythereis Henryhowella - Muellerina - Pterygocythereis Cytherella Echinocythereis ( 12 & 13 ) ( 14 ) MARGINAL MARINE ( none preserved ) Semicythereura Cushmanidea > Hulingsina Haplocytheridea Basslerites ? CALVERT ...
Page 23
... Echinocythereis clarkana . Cushmanidea , Pterygocythereis , Cytheretta ulrichi , and Actinocythereis are of lesser abundance . The large increase from unit 4 in E. clarkana , Henryhowella , Aequacytheridea , and Cytherella points out ...
... Echinocythereis clarkana . Cushmanidea , Pterygocythereis , Cytheretta ulrichi , and Actinocythereis are of lesser abundance . The large increase from unit 4 in E. clarkana , Henryhowella , Aequacytheridea , and Cytherella points out ...
Page 24
... Echinocythereis , and Cytherop- teron . This is the deepest - water assemblage of ostracodes I have seen in the Mary- land Miocene ( see Table 1 ) . Based on all the evidence observed , unit 12 was deposited in water perhaps as deep as ...
... Echinocythereis , and Cytherop- teron . This is the deepest - water assemblage of ostracodes I have seen in the Mary- land Miocene ( see Table 1 ) . Based on all the evidence observed , unit 12 was deposited in water perhaps as deep as ...
Contents
Brief Stratigraphic Considerations Gernant | 16 |
Vertebrate Biofacies and Paleoenvironments Whitmore | 31 |
Road Log Gibson | 44 |
Common terms and phrases
abundant Anadara Astarte Atlantic Coastal Plain Atrina autochthonous Balanus baleen whale basin biofacies bivalves blue Boston Cliffs Member burrowed Calvert Beach Calvert County Calvert Formation Cape Cerastoderma cetotheres Chesapeake Bay Chesapeake Group Choptank Formation Conoy Corbula elevata Crassatella Cretaceous Cushmanidea Cytheretta Cytheromorpha deposits depth diatomaceous Discinisca dominated Drumcliff Drumcliff Member dusky Eastern Shore Echinocythereis Ensis environment Eocene facies Fairhaven fauna feet field trip Foraminifera Formation and equivalents fossiliferous Fossils Gernant Gibson Glossus Gyrolithes Henryhowella Hulingsina indicate Isognomon Jersey Kirkwood Formation Long-beaked porpoise Loxoconcha Lunatia Lyropecten marginal marine Maryland Maryland Miocene Marys Formation Mercenaria Miocene Miocene strata molluscs mottled muddy Muellerina Murrayina Nassarius North Carolina numbers ostracode Paleoecology Panope Plum Point Marls porpoises Primitive baleen whale Pterygocythereis Pungo River rocks sediments shallow water shark Shattuck shell bed Shore of Maryland Spisula stratigraphic substrate Thecachampsa Turritella Turritella plebeia turtles unit 22 Virginia well-sorted Yorktown Formation Zone