P-24 (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 P1c

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 5593: authorized by Arnold Miller, entered by Karen Layou on 20.10.1999, edited by Jocelyn Sessa

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
  -
Anthozoa indet. Ehrenberg 1834
solitary coral
Bivalvia
 Nuculida - Nuculidae
"Nucula mediavia" = Nucula (Nucula) mediavia
"Nucula mediavia" = Nucula (Nucula) mediavia Harris 1896 nut clam
 Nuculanida - Nuculanidae
Nuculanidae indet. Adams and Adams 1858 pointed nut clam
Jupiteria smirna pointed nut clam
 Carditida - Carditidae
Carditidae indet. Fleming 1820 clam
 Lucinida - Lucinidae
Lucinidae indet. Fleming 1828 clam
L. sp. a
 Pholadida - Corbulidae
Corbulidae indet. Lamarck 1818 clam
 Poromyida - Verticordiidae
Verticordia sp. Sowerby 1844 clam
 Ostreida - Ostreidae
Ostreidae indet. Rafinesque 1815 oyster
Ostrea pulaskensis Harris 1892 oyster
 Pectinida - Propeamussiidae
Amusium alabamense Aldrich 1886 mud scallop
 Arcida - Arcidae
Striarca ? sp. Conrad 1862 clam
S.? sp. a
 Arcida - Cucullaeidae
Gastropoda
 Opisthobranchia - Haminoeidae
Atys sp. Montfort 1810 snail
 Opisthobranchia - Retusidae
 Cerithioidea - Turritellidae
Turritellidae indet. Lovén 1847 turret shell
 Cerithioidea - Cerithiidae
Cerithiidae indet. Fleming 1822 cerith snail
 Sorbeoconcha - Naticidae
Naticidae indet. Guilding 1834 moon snail
 Sorbeoconcha - Vitrinellidae
Vitrinellidae indet. Bush 1897 snail
 Neogastropoda - Volutidae
"Volutocorbis texanus" = Athleta (Volutocorbis)
"Volutocorbis texanus" = Athleta (Volutocorbis) volute
 Neogastropoda - Olividae
Olividae indet. Latreille 1825 olive snail
Scaphopoda
  -
Scaphopoda indet. Bronn 1862 tusk shell