P-29 (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

• unconsolidated clay and 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 5599: 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
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium mediaviense, Dentalium sp.
Dentalium sp. Linnaeus 1758 tusk shell
D. sp. (1), D. sp. b (1)
 Gadilida - Gadilidae
Cadulus sp.
Cadulus sp. Philippi 1844 tusk shell
Gastropoda
 Heterostropha - Acteonidae
Acteonidae indet., Tornatellaea texana
Acteonidae indet. d'Orbigny 1835 snail
A. sp. a
 Heterostropha - Ringiculidae
Ringiculidae indet.
Ringiculidae indet. Philippi 1853 snail
 Trochoidea - Skeneidae
Solariorbis proius
 Opisthobranchia - Retusidae
Retusa emoryi
 Opisthobranchia - Haminoeidae
Atys sp.
Atys sp. Montfort 1810 snail
 Sorbeoconcha - Naticidae
Naticidae indet.
Naticidae indet. Guilding 1834 moon snail
 Neogastropoda - Turridae
Turridae indet.
Turridae indet. Swainson 1840 turrid
T. sp. a (1), T. indet. (2)
 Neogastropoda - Volutidae
Volutidae indet.
Volutidae indet. Rafinesque 1815 volute
Bivalvia
 Nuculanida - Nuculanidae
Nuculana ? saffordana, Jupiteria smirna
Nuculana ? saffordana pointed nut clam
Jupiteria smirna pointed nut clam
 Nuculida - Nuculidae
"Nucula mediavia" = Nucula (Nucula) mediavia
"Nucula mediavia" = Nucula (Nucula) mediavia Harris 1896 nut clam
 Solemyida - Solemyidae
Solemya bilix
Solemya bilix Awning Clam
 Pectinida - Propeamussiidae
Amusium alabamense
Amusium alabamense Aldrich 1886 mud scallop
 Arcida - Cucullaeidae
Cucullaea macrodonta
 Cardiida - Semelidae
Semelidae indet.
Semelidae indet. Stoliczka 1870 clam
 Cardiida - Tellinidae
Tellinidae indet.
Tellinidae indet. Blainville 1814 tellin clam
 Cardiida -
"Veneroida indet." = Veneroidei
"Veneroida indet." = Veneroidei Gray 1854 clam
Leptonidae/Montacutidae sp.
 Cardiida - Veneridae
Pitar sp.
Pitar sp. Römer 1857 venus clam
 Pholadida - Corbulidae
Corbulidae indet., Caryocorbula coloradoensis
Corbulidae indet. Lamarck 1818 clam
 Poromyida - Cuspidariidae
Cuspidariidae indet.
Cuspidariidae indet. Dall 1886 clam
 Lucinida - Lucinidae
Phacoides sp.
Phacoides sp. Blainville 1825 clam
P. sp. a
 Carditida - Crassatellidae
Crassatella sp.
Crassatella sp. Lamarck 1799 clam
 Carditida - Carditidae
Carditidae indet., "Venericardia bulla" = Venericardia (Baluchicardia) bulla, Venericardia eoa
Carditidae indet. Fleming 1820 clam
"Venericardia bulla" = Venericardia (Baluchicardia) bulla Dall 1903 clam
Venericardia eoa Plummer 1933 clam