Chesapeake Bay (Lower Calvert) (Miocene of the United States)

Where: Calvert County, Maryland (38.4° N, 76.5° W: paleocoordinates 38.6° N, 73.2° W)

• coordinate based on political unit

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

• bed 10

Environment/lithology: marginal marine; lithology not reported

Size class: macrofossils

Primary reference: R. H. Tedford and M. E. Hunter. 1984. Miocene marine-nonmarine correlations, Atlantic and Gulf Coastal Plains, North America. Palaeography, Palaeoclimatology, Palaeoecology 47:129-151 [J. Alroy/J. Alroy/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 18516: authorized by John Alroy, entered by John Alroy on 26.03.1995, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Artiodactyla - Tayassuidae
"Prosthennops xiphodonticus" = Stirtonhyus xiphodonticus4
"Prosthennops xiphodonticus" = Stirtonhyus xiphodonticus4 Barbour 1925 peccary
 Carnivora - Phocidae
"Leptophoca lenis n. gen. n. sp." = Leptophoca proxima3
"Leptophoca lenis n. gen. n. sp." = Leptophoca proxima3 Van Beneden 1876 seal
 Carnivora - Canidae
Cynarctus marylandica1 Berry 1938 bone-crushing dog
 Sirenia - Dugongidae
aff. Metaxytherium sp.3, "Metaxytherium calvertense" = Metaxytherium crataegense2
aff. Metaxytherium sp.3 de Christol 1840 dugong
"Metaxytherium calvertense" = Metaxytherium crataegense2 Simpson 1932 dugong