PBDB Collection

PRI 2254 (Eocene of the United States)

Where: Newton County, Mississippi (32.3° N, 89.2° W: paleocoordinates 33.0° N, 80.2° 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: offshore; unlithified, sandy marl

• Environment from PBDB col 2436

• "Likely Archusa (LCI)".

•lithology from PBDB col. # 2436

Size class: mesofossils

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 90642: authorized by Jocelyn Sessa, entered by Laurie Eccles on 11.08.2009, edited by Ursula Smith

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

unclassified
-	Bristocorbula fossata Bristocorbula fossata
Anthozoa
Scleractinia - Caryophylliidae	Platytrochus stokesi¹, Paracyathus bellus¹ Platytrochus stokesi¹ stony coral Paracyathus bellus¹ Vaughan 1900 stony coral
Scleractinia - Dendrophylliidae	Endopachys lonsdalei¹ Endopachys lonsdalei¹ Vaughan 1900 stony coral
Gastropoda
Lepetellida - Fissurellidae	"Puncturella (Altrix) altior" = Altrix "Puncturella (Altrix) altior" = Altrix snail
Epitonioidea - Epitoniidae	Cirsotrema (Coroniscala) newtonense Cirsotrema (Coroniscala) newtonense wentletrap
Sorbeoconcha - Cerithiopsidae	"Seila" quadristriaris "Seila" quadristriaris snail
Sorbeoconcha - Triforidae	Cerithiella "sp. B" Cerithiella "sp. B" Verrill 1882 snail
Neogastropoda - Muricidae	Coralliophila (Timothia) aldrichi Coralliophila (Timothia) aldrichi murex snail
Neogastropoda - Marginellidae	Marginella (Dentimargo) constrictoides Marginella (Dentimargo) constrictoides margin shell
Neogastropoda - Columbellidae	"Mitrella (Columbellopsis) mississippiensis" = Columbellopsis "Mitrella (Columbellopsis) mississippiensis" = Columbellopsis snail
Neogastropoda - Turridae	"? Coronia alternata" = Gemmula (Coronia), Coronia childreni, Eopleurotoma adolescens, Eopleurotoma cainei, Eopleurotoma nupera, Eopleurotoma carya, Eopleurotoma gemmavia, Surculoma (Volutapex) subequalis, ? Surculoma (? Volutapex) kellogii, Eosurcula pulcherrima, Trypanotoma terebriformis, Scobinella newtonensis "? Coronia alternata" = Gemmula (Coronia) turrid Coronia childreni Lea 1833 turrid Coronia childreni novoppidi Eopleurotoma adolescens turrid Eopleurotoma cainei turrid Eopleurotoma cainei var.B Eopleurotoma nupera turrid Eopleurotoma carya Harris 1937 turrid Eopleurotoma carya and Eopleurotoma carya hicoria Eopleurotoma gemmavia turrid Surculoma (Volutapex) subequalis turrid Surculoma (Volutapex) subequalis var. ? Surculoma (? Volutapex) kellogii turrid ? Surculoma ?( Volutapex) kellogii var. Eosurcula pulcherrima turrid Trypanotoma terebriformis Harris 1937 turrid Trypanotoma. terebriformis curta Scobinella newtonensis Aldrich 1911 turrid
Neogastropoda - Borsoniidae	Microdrillia "sp. A", "Cordiera biconica" = Cordieria, Cordiera ludoviciana Microdrillia "sp. A" Casey 1903 snail "Cordiera biconica" = Cordieria snail Cordiera biconica newtonensis Cordiera ludoviciana Vaughn 1896 snail Cordiera ludoviciana mississippiensis
Sorbeoconcha - Naticidae	Sigatica boettgeri, Euspira newtonensis, Sinum inconstans Sigatica boettgeri Meyer and Aldrich 1886 moon snail Euspira newtonensis moon snail Sinum inconstans moon snail
Opisthobranchia - Retusidae	cf. Rhizorus volutatus cf. Rhizorus volutatus snail
Heterostropha - Architectonicidae	Architectonica (Architectonica) bellistriata Architectonica (Architectonica) bellistriata Conrad 1854 sundial Architectonica (Architectonica) bellistriata newtonensis
Bivalvia
Nuculanida - Nuculanidae	Nuculana wautubbeana Nuculana wautubbeana pointed nut clam
Pholadida - Xylophagaidae	? Xylophaga mississippiensis ? Xylophaga mississippiensis Meyer 1886 clam
Pholadida - Corbulidae	Caestocorbula fossata¹ Caestocorbula fossata¹ clam
Arcida - Arcidae	Barbatia (Plagiarca) rhomboidella Barbatia (Plagiarca) rhomboidella Lea 1833 clam
Ostreida - Gryphaeidae	"Pycnodonta johnsoni" = Pycnodonte "Pycnodonta johnsoni" = Pycnodonte oyster
Ostreida - Ostreidae	Cubitostrea sellaeformis¹, Cubitostrea (Cubitostrea) divaricata² Cubitostrea sellaeformis¹ Conrad 1832 oyster Cubitostrea (Cubitostrea) divaricata² Lea 1833 oyster
Pectinida - Plicatulidae	Plicatula filamentosa Plicatula filamentosa Conrad 1833 scallop Plicatula filamentosa planata
Scaphopoda
Gadilida - Gadilidae	Cadulus (Dischides) abruptus, Cadulus (Polyschides) newtonensis Cadulus (Dischides) abruptus tusk shell Cadulus (Polyschides) newtonensis Meyer and Aldrich 1886 tusk shell

¹Dockery 1980; ²Harris 1919