Parker Creek, south, Zone 12 (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
• bluish sandy clay

Size class: macrofossils

Preservation: original phosphate

Reposited in the USNM

Collection methods: surface (in situ),

Primary reference: L. W. Ward. 1992. Molluscan biostratigraphy of the Miocene Middle Atlantic Coastal Plain of North America. Virginia Museum of Natural History 2 [A. Miller/A. Hendy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 71634: authorized by Mark Uhen, entered by Mark Uhen on 02.05.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Aves
  -
Aves indet.2
Aves indet.2 Linnaeus 1758 bird
Mammalia
 Cetacea - Physeteridae
Orycterocetus crocodilinus1
Orycterocetus crocodilinus1 Cope 1867 sperm whale
Gastropoda
 Neogastropoda - Muricidae
Ecphora meganae
Ecphora meganae Ward and Gilinsky 1988 murex snail
subspecies meganae
Bivalvia
 Cardiida - Veneridae
Lirophora parkeria
Lirophora parkeria Glenn 1904 venus clam
1Uhen 2007; 2Wetmore 1943