Where: Charles County, Maryland (38.6° N, 77.2° W: paleocoordinates 38.8° N, 74.3° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Calvert Beach Member (Calvert Formation), Serravallian (13.8 - 11.6 Ma)
• bed-level stratigraphic resolution
Environment/lithology: offshore; brown, sandy claystone
Size class: macrofossils
Primary reference: S. D. Dawson. 1996. A description of the skull and postcrania of Hadrodelphis calvertense Kellog 1966, and its position within the Kentriodontidae (Cetacea; Delphinoidea). Journal of Vertebrate Paleontology 16(1):125-134 [J. Alroy/J. Wertheim/M. Uhen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 37347: authorized by John Alroy, entered by Jill Wertheim on 12.03.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Hadrodelphis calvertense Kellogg 1966 toothed whale |