PRI 897 (Eocene of the United States)

Where: Cleveland County, Arkansas (34.0° N, 92.2° W: paleocoordinates 34.7° N, 84.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Moodys Branch Formation (Jackson Group), Priabonian (38.0 - 33.9 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: mesofossils

Collection methods: Collected by G.D. Harris, K.V.W. and E.L. Palmer, G.S.A. grant #24338. Field loc. No. 4, 1938.

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 91085: authorized by Jocelyn Sessa, entered by Laurie Eccles on 03.09.2009, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Nuculanida - Nuculanidae
Hilgardia multilineata Conrad 1854 pointed nut clam
 Nuculanida - Yoldiidae
 Cardiida - Ungulinidae
Timothynus bulla Conrad 1865 clam
 Cardiida - Veneridae
Pitar (Pitar) securiformis Conrad 1865 venus clam
 Cardiida - Tellinidae
 Pholadida - Corbulidae
 Lucinida - Lucinidae
"Lucina (? Callucina) curta" = Myrtaea (Myrtaea) curta
"Lucina (? Callucina) curta" = Myrtaea (Myrtaea) curta Conrad 1865 clam
 Carditida - Astartidae
 Carditida - Carditidae
Venericardia (Pleuromeris) parva Lea 1833 clam
Pleuromeris parva "var."
Venericardia praecisa Dall 1903 clam
 Carditida - Crassatellidae
Bathytormus clarkensis Dall 1900 clam
Bathytormus clarkensis postclarkensis
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium "sp. E", "Dentalium (Antalis) minutistriatum n. sp." = Dentalium minutistriatum2, Dentalium (Antalis) vincense
Dentalium "sp. E" Linnaeus 1758 tusk shell
"Dentalium (Antalis) minutistriatum n. sp." = Dentalium minutistriatum2 Gabb 1850 tusk shell
Dentalium (Antalis) vincense Harris and Palmer 1947 tusk shell
Gastropoda
 Sorbeoconcha - Naticidae
 Neogastropoda - Fasciolariidae
"Cornulina dalli" = Mazzalina dalli Harris 1894 snail
Papillina dumosa Conrad 1854 snail
 Neogastropoda - Nassariidae
Tritiaria hilli Harris 1895 snail
 Neogastropoda - Buccinidae
"Tritiaria albirupina" = Phos albirupina
"Tritiaria albirupina" = Phos albirupina Harris 1894 true whelk
 Neogastropoda - Volutidae
Caricella subangulata Conrad 1854 volute
Athleta symmetricus1 Conrad 1854 volute
 Neogastropoda - Turridae
Sinistrella americana Aldrich 1885 turrid
 Neogastropoda - Conidae
"Conus tortilis" = Conus sauridens
"Conus tortilis" = Conus sauridens Conrad 1833 cone shell
 Neogastropoda - Costellariidae
Conomitra jacksonensis Cooke 1926 ribbed mitre
 Neogastropoda - Turbinellidae
"Latirus humilior" = Turbinella humilior
"Latirus humilior" = Turbinella humilior Meyer 1885 snail
Latirus humilior urbanus
 Neogastropoda - Olivellidae
Agaronia media Meyer 1885 snail
 Sorbeoconcha - Rostellariidae
 Cerithioidea - Turritellidae
Turritella clevelandia Harris 1894 turret shell
"Turritella arenicola" = Kapalmerella arenicola Conrad 1865 turret shell
 Heterostropha - Acteonidae
Acteon idoneus1 Conrad 1833 snail
 Heterostropha - Architectonicidae