P-17 (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: Littig Member (Kincaid Formation), Danian (66.0 - 61.6 Ma)

• in foram zone P1b, composite section from B-2 and DMC-2

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 5586: authorized by Arnold Miller, entered by Karen Layou on 20.10.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium sp.
Dentalium sp. Linnaeus 1758 tusk shell
D. sp. b
Gastropoda
 Cerithioidea - Cerithiidae
Cerithiidae indet.
Cerithiidae indet. Fleming 1822 cerith snail
C. sp. a (5), C. sp. b (7)
 Cerithioidea - Turritellidae
Turritellidae indet., Turritella premortoni
Turritellidae indet. Lovén 1847 turret shell
Turritella premortoni turret shell
 Sorbeoconcha - Naticidae
Naticidae indet.
Naticidae indet. Guilding 1834 moon snail
 Neogastropoda - Ptychatractidae
Exilia cf. pergracilis
Exilia cf. pergracilis Conrad 1860 snail
 Neogastropoda - Fasciolariidae
Fasciolariidae indet., Fasciolariidae ? indet.
Fasciolariidae indet. Gray 1853 snail
F. sp. a (1), F. sp. b (1)
Fasciolariidae ? indet. Gray 1853 snail
F.? sp. d
 Neogastropoda - Columbellidae
Columbellidae indet.
Columbellidae indet. Swainson 1840 snail
 Neogastropoda - Volutidae
Volutidae indet.
Volutidae indet. Rafinesque 1815 volute
 Neogastropoda - Turridae
Turridae indet.
Turridae indet. Swainson 1840 turrid
T. sp. r (1), T. sp. (2)
 Sorbeoconcha - Aporrhaidae
Aporrhaidae indet.
Aporrhaidae indet. Gray 1850 snail
 Sorbeoconcha - Rostellariidae
Calyptraphorus popenoe, Calyptraphorus sp.
Calyptraphorus popenoe snail
[entered as Calyptrophorus popenoe]
Calyptraphorus sp. Conrad 1857 snail
[entered as Calyptrophorus sp.]
 Sorbeoconcha - Procerithiidae
Nudivagus sp.
 Heterostropha - Acteonidae
Tornatellaea sp.
Tornatellaea sp. Conrad 1860 snail
 Opisthobranchia - Retusidae
Retusa emoryi
Bivalvia
 Nuculanida - Nuculanidae
Nuculanidae indet., Nuculana sp.
Nuculanidae indet. Adams and Adams 1858 pointed nut clam
Nuculana sp. Link 1807 pointed nut clam
N. sp. b
 Pholadida - Corbulidae
Corbula milium, Caryocorbula kennedyi
 Lucinida - Lucinidae
Lucinidae indet., "Lucina cf. uhleri" = Myrtaea (Myrtaea) curta
Lucinidae indet. Fleming 1828 clam
"Lucina cf. uhleri" = Myrtaea (Myrtaea) curta Conrad 1865 clam
 Carditida - Crassatellidae
Crassatella sp.
Crassatella sp. Lamarck 1799 clam
C. sp. a (2), C. sp. (18)
 Carditida - Carditidae
Carditidae indet., "Venericardia moa" = Venericardia (Baluchicardia) moa
Carditidae indet. Fleming 1820 clam
"Venericardia moa" = Venericardia (Baluchicardia) moa Gardner 1935 clam
 Pectinida - Pectinoidae
Pectinidae indet.
Pectinidae indet. Wilkes 1810 scallop
 Pectinida - Propeamussiidae
Amusium alabamense
Amusium alabamense Aldrich 1886 mud scallop
 Ostreida - Ostreidae
Ostreidae indet., Ostrea pulaskensis
Ostreidae indet. Rafinesque 1815 oyster
Ostrea pulaskensis Harris 1892 oyster
 Arcida - Cucullaeidae
Cucullaea macrodonta, Cucullaea sp.
Cucullaea sp. Lamarck 1801 clam
Anthozoa
  -
Anthozoa indet.
Anthozoa indet. Ehrenberg 1834
solitary coral