M 400 (Paleocene of the United States)

Where: Medina County, Texas (29.3° N, 99.3° W: paleocoordinates 34.6° N, 80.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Tehuacana Member (Kincaid Formation), Danian (66.0 - 61.6 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: mesofossils

Primary reference: K. V. Palmer and D. C. Brann. 1965. Catalogue of the Paleocene and Eocene mollusca of the southern and eastern United States. Part 1. Pelecypoda, Amphineura, Peteropoda, Scaphopoda and Cephalopoda. Bulletins of American Paleontology 48:1-471 [M. Kosnik/M. Kosnik/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 92224: authorized by Jocelyn Sessa, entered by Laurie Eccles on 03.11.2009, edited by Ursula Smith

Creative Commons license: CC BY (attribution)

Taxonomic list

Gymnolaemata
 Cheilostomata - Electridae
Conopeum damicornis Canu and Bassler 1920
Gastropoda
 Sorbeoconcha - Rostellariidae
Bivalvia
 Arcida - Cucullaeidae
 Ostreida - Ostreidae
 Carditida - Carditidae
 Cardiida - Veneridae
Pitar pteleinus venus clam
 Cardiida - Corbiculidae