Chesapeake Beach Road Cut, Zone 10 (Miocene of the United States)

Where: Calvert County, Maryland (38.7° N, 76.5° W: paleocoordinates 38.9° N, 73.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Plum Point Member (Calvert Formation), Langhian (16.0 - 13.8 Ma)

• "a small exposure of Zone 10"

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Reposited in the USNM

• apparently collected by the authors

Primary reference: C. T. Berry and W. G. Lynn. 1936. A new turtle, Peritresius virginianus, from the Miocene of Virginia. Proceedings of the American Philosophical Society 76(2):175-190 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 100213: authorized by John Alroy, entered by John Alroy on 01.12.2010, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudines - Testudinidae
"Testudo ducateli n. sp." = Hesperotestudo ducateli
"Testudo ducateli n. sp." = Hesperotestudo ducateli Collins and Lynn 1936 turtle
 Testudines - Cheloniidae
"Peritresius cf. virginianus" = Syllomus aegyptiacus
"Peritresius cf. virginianus" = Syllomus aegyptiacus Lydekker 1899 sea turtle
"may belong to this species"