P-32 (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 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 5602: 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., Turritella premortoni
Turritellidae indet. Lovén 1847 turret shell
Turritella premortoni turret shell
 Cerithioidea - Cerithiidae
Bittium estellense
Bittium estellense cerith snail
 Neogastropoda - Olivellidae
Agaronia mediavia
 Neogastropoda - Volutidae
"Volutocorbis texanus" = Athleta (Volutocorbis)
"Volutocorbis texanus" = Athleta (Volutocorbis) volute
 Neogastropoda - Turridae
Turridae indet., Turridae spp.
Turridae indet. Swainson 1840 turrid
Turridae spp. Swainson 1840 turrid
T. sp. a (4), T. sp. d (1)
 Sorbeoconcha - Naticidae
Naticidae indet.
Naticidae indet. Guilding 1834 moon snail
 Trochoidea - Skeneidae
Solariorbis proius, Solariorbis sp.
Solariorbis sp. Conrad 1865 snail
S. sp. a
 Opisthobranchia - Haminoeidae
Atys sp.
Atys sp. Montfort 1810 snail
 Opisthobranchia - Retusidae
Retusa emoryi
 Heterostropha - Acteonidae
Tornatellaea ? quercollis, Tornatellaea texana
 Heterostropha - Ringiculidae
Ringicula dubia
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
Nuculana cf. corpulentoides, Nuculana ? saffordana, Nuculana sp., Jupiteria smirna
Nuculana ? saffordana pointed nut clam
Nuculana sp. Link 1807 pointed nut clam
N. sp. c
Jupiteria smirna pointed nut clam
 Arcida - Cucullaeidae
Cucullaea macrodonta
 Arcida - Arcidae
Arcidae indet.
Arcidae indet. Lamarck 1809 clam
A. sp. b
 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., "Lucina cf. uhleri" = Myrtaea (Myrtaea) curta
Lucinidae indet. Fleming 1828 clam
L. sp. a
"Lucina cf. uhleri" = Myrtaea (Myrtaea) curta Conrad 1865 clam
 Poromyida - Cuspidariidae
Cuspidariidae indet.
Cuspidariidae indet. Dall 1886 clam
 Pholadida - Corbulidae
Corbulidae indet., Corbula milium, Caryocorbula coloradoensis
Corbulidae indet. Lamarck 1818 clam
 Cardiida - Semelidae
Semelidae indet.
Semelidae indet. Stoliczka 1870 clam
 Cardiida -
"Veneroida indet." = Veneroidei
"Veneroida indet." = Veneroidei Gray 1854 clam
Leptonidae/Montacutidae sp.
 Cardiida - Veneridae
Pitar sp.
Pitar sp. Römer 1857 venus clam
 Cardiida - Sportellidae
Sportellidae indet.
Sportellidae indet. Dall 1899 clam
 Hiatellida - Hiatellidae
Panopea sp.
Panopea sp. Menard 1807 clam
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium sp.
Dentalium sp. Linnaeus 1758 tusk shell