Parker Creek, south, Zone 13 (Miocene of the United States)

Where: Calvert County, Maryland (38.5° N, 76.5° W: paleocoordinates 38.7° N, 73.2° W)

• coordinate estimated from map

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

• group of beds-level stratigraphic resolution

Environment/lithology: estuary or bay; blue, sandy claystone

• sparse molluscs, low in diversity; subtropical environment in embayment and dry onshore; area not far from shore, bay, short-term eustatic transgression events, long-term regression trend
• bluish sandy clay

Size class: macrofossils

Preservation: original phosphate

Reposited in the USNM

Collection methods: surface (in situ),

Primary reference: G. B. Shattuck. 1904. Geological and paleontological relations, with a review of earlier investigations. Maryland Geological Survey Miocene Text xxxiii-clv [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 70827: authorized by Mark Uhen, entered by Mark Uhen on 09.04.2007, edited by John Alroy

Creative Commons license: CC BY (attribution)

Taxonomic list

Mollusca indet.5 Linnaeus 1758
 Testudines - Cheloniidae
"Peritresius virginianus" = Syllomus aegyptiacus2
"Peritresius virginianus" = Syllomus aegyptiacus2 Lydekker 1899 sea turtle
 Crocodylia -
Gavialosuchus antiquus4 Leidy 1852 crocodilian
 Cetacea -
Siphonocetus priscus1 Leidy 1851 whale
 Cetacea - Physeteridae
Orycterocetus crocodilinus3 Cope 1867 sperm whale
 Cetacea - Kentriodontidae
Kentriodon pernix4 Kellogg 1927 toothed whale
 Cetacea - Eurhinodelphinidae
Eurhinodelphis sp.4 Van Beneden and Gervais 1880 toothed whale