PRI 10 (Eocene of the United States)

Where: Grant County, Louisiana (31.8° N, 92.5° W)

• Paleocoordinates: 36.1° N, 77.4° W (Wright 2013)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Tullos Member (Yazoo Clay Formation), Priabonian (38.0 - 33.9 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: mesofossils

Collection methods: Collected by Leslie Hubricht, April 9, 1966 ACC. NO. 541.

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 92300: authorized by Jocelyn Sessa, entered by Laurie Eccles on 05.11.2009

Creative Commons license: CC0 (CC0)

Taxonomic list

Gastropoda
 Opisthobranchiata - Retusidae
 Opisthobranchiata - Cylichnidae
Abderospira oviformis1 Meyer 1886 snail
 Opisthobranchiata - Umbraculidae
 Neotaenioglossa - Calyptraeidae
Calyptraea (Trochita) aperta Solander 1766 slipper shell
 Epitonioidea - Epitoniidae
Cirsotrema (Coroniscala) nassulum1 Conrad 1854 wentletrap
Cirsotrema (Coroniscala) nassulum creolum
 Cerithioidea - Turritellidae
Turritella perdita1, "Turritella arenicola" = Kapalmerella arenicola1
Turritella perdita1 Conrad 1865 turret shell
"Turritella arenicola" = Kapalmerella arenicola1 Conrad 1865 turret shell
 Sorbeoconcha - Naticidae
Natica permunda1 Conrad 1854 moon snail
Euspira jacksonensis1 Harris and Palmer 1947 moon snail
Polinices weisbordi1 moon snail
 Neogastropoda - Volutidae
Caricella subangulata1 Conrad 1854 volute
Athleta symmetricus1 Conrad 1854 volute
 Neogastropoda - Muricidae
Hexaplex (Hexaplex) marksi1 Harris 1894 murex snail
 Neogastropoda - Cancellariidae
Coptostoma ulmulum Harris and Palmer 1947 snail
Coptostoma ulmulum secutorum
 Neogastropoda - Buccinidae
Pseudoliva vetusta1 Conrad 1833 true whelk
Pseudoliva vetusta perspectiva
 Neogastropoda - Fasciolariidae
Tritonatractus pearlensis1 Aldrich 1885 snail
[entered as Tritonoatractus pearlensis]
 Neogastropoda - Mitridae
"Conomitra hammakeri" = Mitra hammakeri
"Conomitra hammakeri" = Mitra hammakeri Harris 1894 mitre shell
 Neogastropoda - Turbinellidae
"Latirus humilior" = Turbinella humilior
"Latirus humilior" = Turbinella humilior Meyer 1885 snail
Latirus humilior cognatus
 Sorbeoconcha - Rostellariidae
 Sorbeoconcha - Strombidae
 Sorbeoconcha - Cypraeidae
Cypraeorbis ventripotens Cossmann 1903 cowry
 Sorbeoconcha - Pediculariidae
Jenneria ludoviciana Johnson 1899 snail
 Sorbeoconcha - Eocypraeidae
Sulcocypraea healeyi1 Aldrich 1923 snail
Scaphopoda
 Gadilida - Gadilidae
"Cadulus (Polyschides) jacksonensis" = Cadulus jacksonensis1
"Cadulus (Polyschides) jacksonensis" = Cadulus jacksonensis1 Harris and Palmer 1947 tusk shell
Bivalvia
 Nuculida - Nuculidae
Nucula (Nucula) magnifica2 Conrad 1833 nut clam
Nucula (Nucula) magnifica yazooensis
 Arcida - Arcidae
 Carditida - Carditidae