PRI 751 (Paleocene of the United States)

Where: Monroe County, Alabama (31.8° N, 87.4° W: paleocoordinates 34.3° N, 70.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Greggs Landing Marl Member (Tuscahoma Formation), Thanetian (59.2 - 56.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: shallow subtidal; unlithified, fine-grained, medium, glauconitic, shelly/skeletal, gray, green, silty, calcareous sandstone

• Environment from PBDB col 80495.
• Greggs Landing Marl Member is sand, grayish-green, weathers to brown, massive, fine- to medium grained, silty, calcareous, glauconitic, very fossiliferous. Lithology from PBDB 80495.

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 90818: authorized by Jocelyn Sessa, entered by Laurie Eccles on 18.08.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

 Arcida - Arcidae
Barbatia (Cucullaearca) cuculloides Conrad 1833 clam
Barbatia (Cucullaearca) cuculloides "var."
 Arcida - Glycymerididae
Glycymeris (Glycymeris) idonea Conrad 1865 clam
Glycymeris (Glycymeris) idonea subsp. B
 Arcida - Cucullaeidae
Cucullaea (Cyphoxis) gigantea Conrad 1862 clam
Cucullaea (Cyphoxis) gigantea "var."
 Pectinida - Pectinoidae
"Chlamys greggi" = Dhondtichlamys greggi
"Chlamys greggi" = Dhondtichlamys greggi Harris 1897 scallop
 Carditida - Crassatellidae
"Crassatella halei" = Crassatella aquiana Clark 1895 clam
Crassatella tumidula Whitfield 1865 clam
 Carditida - Carditidae
"Venericardia (? Venericor) greggiana" = Venericardia (Baluchicardia) greggiana Dall 1903 clam
Venericardia (Venericor) nanaplata Gardner and Bowles 1939 clam
including Venericardia (Venericor) nanaplata nanna
"Venericardia (Leuroactis) pilsbryi" = Venericardia (Venericor) pilsbryi Stewart 1930 clam
 Pholadida - Corbulidae
"Corbula subengonata" = Cuneocorbula subengonata Dall 1898 clam
Vokesula aldrichi Meyer 1885 clam
 Pholadida - Pholadidae
 Cardiida - Veneridae
Pitar (Pitar) nuttalliopsis venus clam
including Pitar (Pitar) nuttalliopsis greggi
 Cardiida - Tellinidae
Tellina bellsiana tellin clam
Tellina greggi tellin clam
Tellina semirotunda tellin clam
Tellina (Arcopagia) trumani Harris 1897 tellin clam
Tellina temperata Aldrich 1911 tellin clam
 Cardiida - Psammobiidae
 Cardiida - Semelidae
 Cardiida - Cardiidae
 Cardiida - Sportellidae
Basterotia prima Aldrich 1921 clam
 Hiatellida - Hiatellidae
 Lucinida - Lucinidae
 Protobranchia - Nuculanidae
Yoldia (Calorhadia) pharcida Dall 1898 pointed nut clam
Litorhadia elongatoidea pointed nut clam
Litorhadia elongatoidea "var." B
Saccella robusta pointed nut clam
Nuculana corpulentoides pointed nut clam
Nuculana corpulentoides "var."
 Ptenoglossa - Epitoniidae
 Cephalaspidea - Cylichnidae
 Cephalaspidea - Haminoeidae
 Triphoroidea - Cerithiopsidae
Cerithiopsis greggiensis Aldrich 1911 snail
 Architaenioglossa - Ampullinidae
"Ampullella recurva" = Ampullina
"Ampullella recurva" = Ampullina snail
Ampullella recurva "var."
 Neogastropoda - Olivellidae
Agaronia "sp. B" Gray 1839 snail
 Neogastropoda - Buccinidae
 Neogastropoda - Nassariidae
 Neogastropoda - Melongenidae
Cornulina minax Solander 1766 snail
Cornulina minax compressa
 Neogastropoda - Fasciolariidae
 Neogastropoda -
 Neogastropoda - Cancellariidae
Bonellitia graciloides snail
including Bonellitia graciloides bella
 Neogastropoda - Volutidae
Caricella demissa volute
Caricella demissa "var."
 Neogastropoda - Turbinellidae
 Neogastropoda - Muricidae
 Neogastropoda - Cochlespiridae
 Neogastropoda - Turridae
"Surcula nasuta" = Turricula turrid
Surcula nasuta "var."
"Turris" sp. Röding 1798 turrid
Coronia childreni Lea 1833 turrid
Coronia childreni vars.
 Stromboidea - Rostellariidae
 Stromboidea - Aporrhaidae
 Ficoidea - Ficidae
 Naticoidea - Naticidae
Euspira marylandica Conrad 1865 moon snail
Euspira marylandica var. A
 Cypraeoidea - Eocypraeidae
Eocypraea eosmithi Aldrich 1886 snail
 Calyptraeoidea - Calyptraeidae
Calyptraea (Trochita) aperta Solander 1766 slipper shell
 Sorbeoconcha - Turritellidae
Mesalia alabamiensis De Gregorio 1890 turret shell
Turritella bellifera turret shell
Turritella eurynome turret shell
Turritella praecincta turret shell
 Sorbeoconcha - Melanopsidae
 Heterostropha - Acteonidae
 Pyramidelloidea - Pyramidellidae
"Turbonilla (Ptycheulimella) clinensis" = Ptycheulimella snail
 Architectonicoidea - Architectonicidae
 Turbinoidea - Turbinidae
Solariorbis "sp. B" Conrad 1865 snail
 Fissurelloidea - Fissurellidae
 Dentaliida - Dentaliidae
 Gadilida - Gadilidae
Cadulus "sp. D" Philippi 1844 tusk shell