Popes Creek south, Zone 1 (Miocene of the United States)

Where: Charles County, Maryland (38.4° N, 77.0° W: paleocoordinates 38.5° N, 72.2° W)

• coordinate estimated from map

When: Calvert Formation (Chesapeake Group), Aquitanian (23.0 - 20.4 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: estuary or bay; brown, silty sandstone

• Very low energy but biologically diverse; shallow marine

Size class: macrofossils

Preservation: original phosphate

Reposited in the USNM

Collection methods: surface (in situ),

Primary reference: M. D. Uhen. 2007. USNM Chesapeake Group Cetacean Collection Data. [M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 71794: authorized by Mark Uhen, entered by Mark Uhen on 10.05.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudines -
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle
Mammalia
 Cetacea - Squalodelphinidae
Squalodelphinidae indet. Dal Piaz 1917 toothed whale
USNM PAL 310632
 Cetacea - Eurhinodelphinidae
Eurhinodelphis sp. Van Beneden and Gervais 1880 toothed whale
Chondrichthyes
 Carcharhiniformes - Sphyrnidae
Sphyrna sp. Rafinesque 1810 hammerhead shark
 Carcharhiniformes - Galeocerdidae
Galeocerdo sp. Müller and Henle 1837 tiger shark
 Carcharhiniformes - Carcharhinidae
Carcharhinus sp. de Blainville 1816 requiem shark
 Lamniformes - Odontaspididae
Odontaspis sp. Agassiz 1838 sand tiger shark