PRI 766 (Eocene of the United States)

Where: Burleson County, Texas (30.9° N, 96.4° W: paleocoordinates 32.2° N, 87.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Cook Mountain Formation (Claiborne Group), Bartonian (41.3 - 38.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: mesofossils

Collection methods: Collected by J. Wells for G.D. Harris collection.

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 90885: authorized by Jocelyn Sessa, entered by Laurie Eccles on 22.08.2009, edited by Ursula Smith

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Cerithioidea - Turritellidae
Turritella nasuta turret shell
Turritella nasuta variation B
Mesalia claibornensis turret shell
 Sorbeoconcha - Naticidae
Polinices aratus moon snail
Neverita spp. Risso 1826 moon snail
 Sorbeoconcha - Ranellidae
"Distorsio (Personella) septemdentata" = Sassia (Personella) septemdentata
"Distorsio (Personella) septemdentata" = Sassia (Personella) septemdentata Gabb 1860 triton shell
 Neogastropoda - Fasciolariidae
 Neogastropoda - Buccinidae
Pseudoliva vetusta Conrad 1833 true whelk
Pseudoliva vetusta and Pseudoliva vetusta carinata
 Neogastropoda - Melongenidae
Cornulina armigera Conrad 1833 snail
Cornulina armigera subsp.
 Neogastropoda - Nassariidae
 Neogastropoda - Conidae
"Conus (Lithoconus) sauridens" = Conus sauridens
"Conus (Lithoconus) sauridens" = Conus sauridens Conrad 1833 cone shell
 Neogastropoda - Turridae
Michela trabeatoides Harris 1895 turrid
 Heterostropha - Architectonicidae
Architectonica (Granosolarium) ornata Harris and Palmer 1947 sundial
"Architectonica scrobiculata" = Patulaxis scrobiculata Conrad 1833 snail
 Opisthobranchia - Retusidae
Bivalvia
 Nuculanida - Nuculanidae
"Yoldia (Orthoyoldia) psammotaea" = Orthoyoldia psammotaea
"Yoldia (Orthoyoldia) psammotaea" = Orthoyoldia psammotaea Dall 1898 pointed nut clam
 Pholadida - Corbulidae
Notocorbula texana Gabb 1860 clam