USGS Loc. 10050 - Gainestown [Chickasawhay Lmst] (Oligocene of the United States)

Where: Clarke County, Alabama (31.4° N, 87.7° W: paleocoordinates 31.8° N, 82.3° W)

• coordinate based on nearby landmark

When: Chickasawhay Formation, Late/Upper Oligocene (28.4 - 23.0 Ma)

Environment/lithology: marine; poorly lithified limestone

Size class: macrofossils

Collected by Cook, Gardner

Collection methods: surface (float), surface (in situ),

• COLLECTOR: C.W. Cooke, J. Gardner. REPOSITORY: USNM.

Primary reference: C. W. Cooke. 1959. Cenozoic echinoids of eastern United States. United States Geological Survey Professional Papers 321:1-106 [L. Villier/L. Villier/M. Hopkins]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 155957: authorized by Austin Hendy, entered by Austin Hendy on 04.05.2014, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to echinoidea, but molluscs are probably present. NOMENCLATURE: Authoritative publication with species-resolution identifications, but somewhat antiquated nomenclature.
Show authors, comments, and common names
Echinoidea
 Echinolampadoida - Echinolampadidae
Echinolampas aldrichi n. sp.1
Echinolampas aldrichi n. sp.1 Clark and Twitchell 1915 sea urchin
Bivalvia
 Pectinida - Pectinoidae
"Chlamys aff. duplex" = Pecten (Patinopecten) duplex2, Chlamys (Plagioctenium) howei2, Chlamys (Plagioctenium) gainestownensis n. sp.2, Chlamys (Aequipecten) waynensis2
"Chlamys aff. duplex" = Pecten (Patinopecten) duplex2 Cooke 1919 scallop
Chlamys (Plagioctenium) howei2 Mansfield 1940 calico scallop
Chlamys (Plagioctenium) gainestownensis n. sp.2 Mansfield 1940 scallop
Chlamys (Aequipecten) waynensis2 Mansfield 1940 scallop
1Clark and Twitchell 1915; 2Mansfield 1940