Upper Cow Creek, Locality E (Devonian of the United States)

Where: Callaway County, Missouri (38.8° N, 91.9° W: paleocoordinates 33.3° S, 39.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Snyder Creek Shale Formation, Frasnian (382.7 - 372.2 Ma)

• Senecan series, Chemung stage (local).

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, calcareous shale and limestone

• Varies from highly calcareous shale to impure limestone.

Primary reference: A. L. McAlester. 1963. Pelecypods of the Snyder Creek Shale (Upper Devonian) of Missouri. Journal of Paleontology 37(5):981-999 [J. Alroy/M. Sommers/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 3947: authorized by John Alroy, entered by Mike Sommers on 11.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• PELECYPODS ONLY. Preserved almost entirely as free articulated individuals which may consist of either internal molds, external molds, composite molds, or, in a few specimens, original shell material.
Show authors, comments, and common names
Bivalvia
 Trigoniida - Eoschizodidae
? Eoschizodus chemungensis
? Eoschizodus chemungensis clam
originally entered as "? Eoschizodus chemungensis"
 Cardiida -
Cypricardella sp.
Cypricardella sp. Hall 1856 clam
 Modiomorphida - Modiomorphidae
Goniophora sp.
Goniophora sp. Phillips 1848 clam
 Cardiidia - Grammysiidae
Grammysia elliptica
 Lucinida - Mactromyidae
Paracyclas rowleyi, ? Paracyclas sp.
? Paracyclas sp. Hall 1843 clam
sp. B - originally entered as "? Paracyclas sp."
 Ostreida - Pterineidae
"Leiopteria nitida" = Leptodesma (Leiopteria)
"Leiopteria nitida" = Leptodesma (Leiopteria) oyster
original shell material (not mentioned what it was though)
 Pectinida - Pterinopectinidae
Lyriopecten tricostatus
Lyriopecten tricostatus Vanuxem 1842 scallop
original shell material (not mentioned what it was though)
 Nuculanida - Malletiidae
Palaeoneilo constricta
Palaeoneilo constricta Conrad 1842 clam