Where: Charles County, Maryland (38.4° N, 77.2° W: paleocoordinates 39.1° N, 56.8° W)
• coordinate estimated from map
When: Nanjemoy Formation, Paleocene (66.0 - 56.0 Ma)
• formation-level stratigraphic resolution
Environment/lithology: marine; lithology not reported
Primary reference: M. Leriche. 1942. Contribution a l'etude des faunes ichthyologiques marines des terrains tertiaires de la plaine cotiere Atlantique et du centre des Etats-Unis. Memoires de la Societe Geologique de France (Nouvelle Serie) 45:1-111 [M. Uhen/M. Uhen]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 84052: authorized by Mark Uhen, entered by Mark Uhen on 16.09.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
"Odontaspis verticalis" = Hypotodus verticalis
"Odontaspis verticalis" = Hypotodus verticalis Agassiz 1843 sand tiger shark | |
"Odontaspis macrota" = Otodus macrotus
"Odontaspis macrota" = Otodus macrotus Agassiz 1838 mackerel shark |