Saint Leonard Creek, Zone 17 (Miocene of the United States)

Also known as St. Leonards Creek

Where: Calvert County, Maryland (38.4° N, 76.5° W: paleocoordinates 38.6° N, 73.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Drumcliff Member (Choptank Formation), Serravallian (13.8 - 11.6 Ma)

Environment/lithology: marine; green sandstone

• greenish sand

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 70854: authorized by Mark Uhen, entered by Mark Uhen on 09.04.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

 Sessilia - Balanidae
"Balanus concavus" = Concavus concavus
"Balanus concavus" = Concavus concavus Bronn 1831 barnacle
 Pectinida - Pectinoidae
"Pecten madisonius" = Chesapecten madisonius
"Pecten madisonius" = Chesapecten madisonius Say 1824 scallop
 Ostreida - Malleidae
"Melina maxillata" = Isognomon maxillata
"Melina maxillata" = Isognomon maxillata Lamarck 1819 oyster
 Carditida - Astartidae
Astarte thisphila Glenn 1904 clam
 Pholadida - Corbulidae
"Corbula idonea" = Bicorbula idonea
"Corbula idonea" = Bicorbula idonea Conrad 1833 clam
 Cardiida - Cardiidae
"Cardium laqueatum" = Chesacardium laqueatum
"Cardium laqueatum" = Chesacardium laqueatum Conrad 1830 cockle
 Hiatellida - Hiatellidae
Panopea americana Conrad 1838 clam
 Carchariniformes - Hemigaleidae
"Hemipristis serra" = Hemipristis heteropleurus2
"Hemipristis serra" = Hemipristis heteropleurus2 Agassiz 1844 ground shark
 Carnivora - Phocidae
"Leptophoca lenis" = Leptophoca proxima1
"Leptophoca lenis" = Leptophoca proxima1 Van Beneden 1876 seal