Английская Википедия:Choptank Formation
Материал из Онлайн справочника
Перейти к навигацииПерейти к поиску
Шаблон:Short description Шаблон:Infobox rockunit
The Choptank Formation is a geologic formation in Virginia and Maryland. It preserves fossils dating from the Miocene epoch of the Neogene period.
Fossils
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
- Aetobatus arcuatus
- Pteromyaleus sp.
- Dasyatis rugosa
- Dasyatis probsti
- Pinthicus stenodon
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
- List of fossiliferous stratigraphic units in Virginia
- Paleontology in Virginia
- Paleontology in Maryland
- Calvert Cliffs State Park
- List of fossiliferous stratigraphic units in Maryland
- Chesapeake Group
References
Шаблон:Virginia-geologic-formation-stub
