P-14 (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: Biscutum romeini zone, Danian (66.0 - 61.6 Ma)

• composite section from CM-4 and Brazos-1, in foram zone P1a

Environment/lithology: marine; unlithified, bioturbated, silty claystone

• homogenized (from bioturbation) silty claystone with sparse fossils (hansen et al. 1987)

Size class: mesofossils

Collection methods: bulk, mechanical,

Primary reference: T. A. Hansen, B. Upshaw, E. G. Kauffman and W. Gose. 1993. Patterns of molluscan extinction and recovery across the Cretaceous-Tertiary boundary in east Texas; report on new outcrops. Cretaceous Research 14:685-706 [A. Miller/K. Layou/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 5584: authorized by Arnold Miller, entered by Karen Layou on 18.10.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Pisces
  -
"Pisces indet." = Osteichthyes
"Pisces indet." = Osteichthyes Huxley 1880 bony fish
fish parts
Bivalvia
 Nuculanida - Nuculanidae
Nuculana sp.
Nuculana sp. Link 1807 pointed nut clam
N. sp. b
 Pectinida - Propeamussiidae
Amusium alabamense
Amusium alabamense Aldrich 1886 mud scallop
Gastropoda
 Neogastropoda -
Neogastropoda indet.
Neogastropoda indet. Thiele 1929 snail
N. a
 Neogastropoda - Turridae
Turridae indet.
Turridae indet. Swainson 1840 turrid
T. r
 Sorbeoconcha - Naticidae
Naticidae indet.
Naticidae indet. Guilding 1834 moon snail
 Sorbeoconcha - Procerithiidae
Nudivagus sp.
Nudivagus sp. snail
N. sp. a