M 825 (Paleocene to of the United States)

Where: Maverick County, Texas (28.7° N, 100.5° W: paleocoordinates 34.2° N, 82.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Wills Point Formation (Midway Group), Danian to Danian (66.0 - 59.2 Ma)

• formation-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 99003: authorized by Jocelyn Sessa, entered by Ursula Smith on 25.10.2010, edited by Laurie Eccles

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Opisthobranchia - Retusidae
 Neogastropoda - Costellariidae
Orthosurcula longipersa ribbed mitre
Orthosurcula longipersa tobar
 Neogastropoda - Volutidae
"Volutocorbis limposis" = Athleta (Volutocorbis)
"Volutocorbis limposis" = Athleta (Volutocorbis) volute
 Neogastropoda - Fasciolariidae
 Sorbeoconcha - Naticidae
Lacunaria lithae moon snail
 Epitonioidea - Epitoniidae
Epitonium "sp. C" Bolten 1798 wentletrap
Bivalvia
 Arcida - Glycymerididae
Glycymeris "sp. E" Da Costa 1778 clam
 Pholadida - Teredinidae
 Cardiida - Veneridae
Pitar "sp. A" Römer 1857 venus clam
 Carditida - Carditidae