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Choptank Formation
Fossiliferous geologic formation in Virginia and Maryland, U.S. From Wikipedia, the free encyclopedia
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The Choptank Formation is a geologic formation in Virginia and Maryland. It preserves fossils dating from the Miocene epoch of the Neogene period.
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Fossils
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The Choptank Formation is extremely fossiliferous. Some of the fossil species represented include the following:[1][2]
Sharks
- Otodus megalodon
- Carcharodon hastalis
- Isurus oxyrhincus
- Carcharomodus escheri
- Physogaleus contortus
- Galeocerdo aduncus
- Carcharhinus
- Hemipristis serra
- Squatina sp.
- Notorhyncus cepedianus
- Carcharias
- Isurus retroflexus
- Parotodus benedeni
- Alopias vulpinus
- Alopias grandis
- Cetorhinus
- Negaprion brevirostris
- Rhizoprionodon
- Sphryna laevissima
Rays and Other Cartilaginous Fish
Fish
- Acipenseridae indet.
- Opsanus sp.
- Serranidae sp.
- Pogonias sp.
- Sciaenops sp.
- Tautoga sp.
- Acanthocybium cf. solandri
- Thunnus sp.
- Istiophorus cf. platypterus
- Mola cf. pileata
- Ariopsis aff. A. felis
- Trisopterus sculptus
- Micromesistius cognatus
- Prionotus
Cetaceans
- Aglaocetus sp.
- Cetotherium sp.
- Delphinodon sp.
- Eurhinodelphis sp.
- Macrokentriodon morani
- Mesocetus
- Parietobalaena
- Orycterocetus
- Pelocetus
Pinnipeds
- Callophoca obscura
- Leptophoca proxima
- Prophoca sp.
Crocodilians
- Thecachampsa antiquus
- Thecachampsa sericodon
Invertebrates
- Chesapecten nefrens
- Chesacardium
- Euspira heros
- Mariacolpus octonnaria
- Macrocallista marylandica
- Stewartia anodonta
- Marvacrassitella marylandica
- Ecphora
- Panopea
- Albertella aberti
Terrestrial Mammals
- Cynarctus wangi
- Gomphotherium calvertensis
- Hipparion cf. phosphorum
See also
References
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