PRI 2275 (Eocene of the United States)

Where: Sabine County, Louisiana (31.4° N, 93.7° W: paleocoordinates 32.4° N, 84.9° 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: See Veatch survey, 1902, pg. 129.

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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 92381: authorized by Jocelyn Sessa, entered by Laurie Eccles on 09.11.2009, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Heterostropha - Pyramidellidae
Odostomia trapaquara
 Heterostropha - Architectonicidae
Architectonica (Granosolarium) meekana, "Architectonica scrobiculata" = Patulaxis scrobiculata
Architectonica (Granosolarium) meekana Harris and Palmer 1947 sundial
subspecies "Architectonica (Granosolarium) meekana splendida"
"Architectonica scrobiculata" = Patulaxis scrobiculata Conrad 1833 snail
subspecies "Architectonica scrobiculata hicoria"
 Sorbeoconcha - Ranellidae
"Distorsio (Personella) septemdentata" = Sassia (Personella) septemdentata
"Distorsio (Personella) septemdentata" = Sassia (Personella) septemdentata Gabb 1860 triton shell
 Sorbeoconcha - Cassidae
Galeodea planotecta, "Phalium brevicostatum" = Cassis brevicostatus
Galeodea planotecta Meyer and Aldrich 1886 snail
"Phalium brevicostatum" = Cassis brevicostatus Conrad 1834 snail
 Neogastropoda - Muricidae
Coralliophila (Timothia) aldrichi, Pterynotus (Pterynotus) sabinola
Pterynotus (Pterynotus) sabinola Palmer 1960 mustached bat
 Neogastropoda - Melongenidae
Levifusus mortoniopsis
Levifusus mortoniopsis snail
subspecies "Levifusus mortoniopsis carexus"
 Neogastropoda - Buccinidae
Buccitriton sagenum
Buccitriton sagenum Conrad 1833 true whelk
 Neogastropoda - Fasciolariidae
Falsifusus bastropensis
 Neogastropoda - Borsoniidae
Microdrillia robustula
 Neogastropoda - Turridae
Surculoma (Volutapex) falsabenes, Surculoma (Volutapex) sabinicola, ? Surculoma (? Volutapex) kellogii
? Surculoma (? Volutapex) kellogii turrid
? Surculoma (? Volutapex) kellogii "var."
 Neogastropoda - Conidae
Glyptotoma crassiplicata, "Conus (Lithoconus) sauridens" = Conus sauridens
Glyptotoma crassiplicata Gabb 1860 cone shell
"Conus (Lithoconus) sauridens" = Conus sauridens Conrad 1833 cone shell
 Neogastropoda - Cochlespiridae
"Eodrillia texana" = Tropisurcula (Eodrillia)
"Eodrillia texana" = Tropisurcula (Eodrillia) snail
Bivalvia
 Solemyida - Nucinellidae
Nucinella alleni n. sp.2
Nucinella alleni n. sp.2 Vokes 1966 Nut Clam
 Ostreida - Gryphaeidae
"Pycnodonta ludoviciana" = Pycnodonte1
"Pycnodonta ludoviciana" = Pycnodonte1 oyster
 Arcida - Limopsidae
Limopsis aviculoides1
Limopsis aviculoides1 Conrad 1862 clam
Limopsis aviculoides "var."
1Harris 1919; 2Vokes 1966