PRI 729 (Eocene of the United States)

Where: Clarke County, Mississippi (32.2° N, 88.8° W: paleocoordinates 32.9° N, 79.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• formation-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: mesofossils

Collection methods: Collected by G.D. Harris.

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 90708: authorized by Jocelyn Sessa, entered by Laurie Eccles on 13.08.2009, edited by Ursula Smith

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Gastropoda
 Heterostropha - Architectonicidae
"Architectonica (Stellaxis) alveata" = Architectonica (Stellaxis) alveatum
"Architectonica (Stellaxis) alveata" = Architectonica (Stellaxis) alveatum Conrad 1833 sundial
Architectonica (Stellaxis) alveata sp.B
 Opisthobranchia - Retusidae
 Neotaenioglossa - Calyptraeidae
Calyptraea (Trochita) aperta1 Solander 1766 slipper shell
 Sorbeoconcha - Naticidae
Polinices aratus moon snail
 Neogastropoda - Buccinidae
Pseudoliva vetusta Conrad 1833 true whelk
Pseudoliva vetusta carinata
 Neogastropoda - Melongenidae
Levifusus mortoniopsis snail
Levifusus mortoniopsis carexus
 Neogastropoda - Cancellariidae
 Neogastropoda - Olivellidae
Agaronia alabamensis1 Conrad 1833 snail
 Neogastropoda - Marginellidae
 Neogastropoda - Volutidae
Bullata semen Lea 1833 volute
Bullata larvata Conrad 1833 volute
Athleta petrosa1 Conrad 1833 volute
 Neogastropoda - Muricidae
Hexaplex (Hexaplex) engonatus1 Conrad 1833 murex snail
 Sorbeoconcha - Cassidae
"Phalium brevicostatum" = Cassis brevicostatus1
"Phalium brevicostatum" = Cassis brevicostatus1 Conrad 1834 snail
 Sorbeoconcha - Ficidae
"Ficopsis texana" = Ficus
"Ficopsis texana" = Ficus fig shell
Bivalvia
 Pectinida - Pectinoidae
Chlamys wahtubbeana Dall 1898 scallop
 Cardiida - Chamidae
Chama harrisi jewel box
 Pholadida - Corbulidae
 Carditida - Crassatellidae
Bathytormus clarkensis Dall 1900 clam
Bathytormus clarkensis and Bathytormus clarkensis ludovicianus
Anthozoa
 Scleractinia - Caryophylliidae
Paracyathus bellus1 Vaughan 1900 stony coral
Paracyathus alternatus1 Vaughan 1900 stony coral
 Scleractinia - Flabellidae
Flabellum cuneiforme1 Lonsdale 1845 stony coral
Flabellum cuneiforme pachyphyllum
 Scleractinia - Dendrophylliidae
Endopachys maclurii1 Lea 1833 stony coral