PBDB Collection

P-28 (Brazos River K-T boundary, TX) (Paleocene of the United States)

Where: Falls County, Texas (31.3° N, 97.0° W: paleocoordinates 36.1° N, 77.4° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Pisgah Member (Kincaid Formation), Danian (66.0 - 61.6 Ma)

• in foram zone P1d

Environment/lithology: marine; unlithified, argillaceous siltstone

• unconsolitdated clay or clayey silt

Size class: mesofossils

Collection methods: bulk, mechanical,

Primary reference: T. A. Hansen, B. R. Farrell, and B. Upshaw, III. 1993. The first 2 million years after the Cretaceous-Tertiary boundary in east Texas: Rate and paleoecology of the molluscan recovery. Paleobiology 19(2):251-265 [A. Miller/K. Layou/M. Uhen]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 5598: authorized by Arnold Miller, entered by Karen Layou on 22.10.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Gastropoda
Cerithioidea - Turritellidae	Turritellidae indet. Turritellidae indet. Lovén 1847 turret shell
Cerithioidea - Cerithiidae	Bittium estellense Bittium estellense cerith snail
Neogastropoda - Olivellidae	Agaronia mediavia Agaronia mediavia snail
Neogastropoda - Volutidae	"Volutocorbis texanus" = Athleta (Volutocorbis) "Volutocorbis texanus" = Athleta (Volutocorbis) volute
Neogastropoda - Turridae	Turridae indet. Turridae indet. Swainson 1840 turrid T. sp. a (2), T. indet. (1)
Sorbeoconcha - Naticidae	Naticidae indet., Polinices ? julianna Naticidae indet. Guilding 1834 moon snail Polinices ? julianna moon snail
Sorbeoconcha - Vitrinellidae	Vitrinellidae indet. Vitrinellidae indet. Bush 1897 snail V. sp. a
Trochoidea - Skeneidae	Solariorbis proius Solariorbis proius snail
Opisthobranchia - Haminoeidae	Atys sp. Atys sp. Montfort 1810 snail
Heterostropha - Acteonidae	Acteonidae indet., Tornatellaea texana Acteonidae indet. d'Orbigny 1835 snail A. sp. a Tornatellaea texana snail
Bivalvia
Solemyida - Solemyidae	Solemya bilix Solemya bilix Awning Clam
Nuculida - Nuculidae	"Nucula mediavia" = Nucula (Nucula) mediavia "Nucula mediavia" = Nucula (Nucula) mediavia Harris 1896 nut clam
Nuculanida - Nuculanidae	Nuculanidae indet., Nuculana cf. corpulentoides, Nuculana ? saffordana, Jupiteria smirna Nuculanidae indet. Adams and Adams 1858 pointed nut clam Nuculana cf. corpulentoides pointed nut clam Nuculana ? saffordana pointed nut clam Jupiteria smirna pointed nut clam
Arcida - Cucullaeidae	Cucullaea macrodonta Cucullaea macrodonta clam
Pectinida - Propeamussiidae	Amusium alabamense Amusium alabamense Aldrich 1886 mud scallop
Carditida - Carditidae	"Venericardia bulla" = Venericardia (Baluchicardia) bulla, Venericardia eoa "Venericardia bulla" = Venericardia (Baluchicardia) bulla Dall 1903 clam Venericardia eoa Plummer 1933 clam
Carditida - Crassatellidae	Crassatella sp. Crassatella sp. Lamarck 1799 clam
Lucinida - Lucinidae	Lucinidae indet. Lucinidae indet. Fleming 1828 clam
Poromyida - Cuspidariidae	Cuspidaria sp. Cuspidaria sp. Dall 1886 clam C. sp. a
Pholadida - Corbulidae	Corbula milium, Caryocorbula coloradoensis Corbula milium clam Caryocorbula coloradoensis clam
Cardiida - Tellinidae	Tellina sp. Tellina sp. Linnaeus 1758 tellin clam T. sp. a
Cardiida - Semelidae	Semelidae indet. Semelidae indet. Stoliczka 1870 clam
Cardiida -	"Veneroida indet." = Veneroidei "Veneroida indet." = Veneroidei Gray 1854 clam Leptonidae/Montacutidae sp.
Scaphopoda
Dentaliida - Dentaliidae	Dentalium sp. Dentalium sp. Linnaeus 1758 tusk shell D. sp. a (1), D. sp. (2)
Anthozoa
Scleractinia - Caryophylliidae	"Caryophyllia ? dumblei" = Caryophyllia mediavia "Caryophyllia ? dumblei" = Caryophyllia mediavia Vaughan and Popenoe 1935 stony coral