P-29 (Brazos River K-T boundary, TX): Danian, Texas
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Scaphopoda
- Dentaliida
- Dentaliidae
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Dentalium sp.
Linnaeus 1758
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2 specimens | |||||||||
| D. sp. (1), D. sp. b (1) | ||||||||||
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Dentalium mediaviense
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1 specimen | |||||||||
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Scaphopoda
- Gadilida
- Gadilidae
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Cadulus sp.
Philippi 1844
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1 specimen | |||||||||
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Gastropoda
- Skeneidae
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Solariorbis proius
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1 specimen | |||||||||
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Gastropoda
- Neogastropoda
- Volutidae
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Volutidae indet.
Rafinesque 1815
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3 specimens | |||||||||
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Gastropoda
- Neogastropoda
- Turridae
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Turridae indet.
Swainson 1840
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3 specimens | |||||||||
| T. sp. a (1), T. indet. (2) | ||||||||||
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Gastropoda
- Naticidae
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Naticidae indet.
Guilding 1834
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8 specimens | |||||||||
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Gastropoda
- Heterostropha
- Acteonidae
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Acteonidae indet.
d'Orbigny 1835
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1 specimen | |||||||||
| A. sp. a | ||||||||||
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Tornatellaea texana
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5 specimens | |||||||||
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Gastropoda
- Heterostropha
- Ringiculidae
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Ringiculidae indet.
Philippi 1853
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1 specimen | |||||||||
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Gastropoda
- Opisthobranchia
- Retusidae
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Retusa emoryi
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1 specimen | |||||||||
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Gastropoda
- Opisthobranchia
- Haminoeidae
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Atys sp.
Montfort 1810
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4 specimens | |||||||||
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Bivalvia
- Carditida
- Carditidae
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Carditidae indet.
Fleming 1820
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1 specimen | |||||||||
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Venericardia eoa
Plummer 1933
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3 specimens | |||||||||
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Venericardia bulla
Dall 1903
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4 specimens | |||||||||
| recombined as Venericardia (Baluchicardia) bulla | ||||||||||
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Bivalvia
- Carditida
- Crassatellidae
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Crassatella sp.
Lamarck 1799
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7 specimens | |||||||||
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Bivalvia
- Poromyida
- Cuspidariidae
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Cuspidariidae indet.
Dall 1886
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2 specimens | |||||||||
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Bivalvia
- Pholadida
- Corbulidae
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Corbulidae indet.
Lamarck 1818
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3 specimens | |||||||||
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Caryocorbula coloradoensis
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7 specimens | |||||||||
| original and current combination Corbula (Caryocorbula) | ||||||||||
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Bivalvia
- Cardiida
- Semelidae
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Semelidae indet.
Stoliczka 1870
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2 specimens | |||||||||
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Bivalvia
- Cardiida
- Tellinidae
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Tellinidae indet.
Blainville 1814
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2 specimens | |||||||||
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Bivalvia
- Cardiida
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Veneroida indet.
Gray 1854
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2 specimens | |||||||||
| spelled with current rank as Veneroidei | ||||||||||
| Leptonidae/Montacutidae sp. | ||||||||||
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Bivalvia
- Cardiida
- Veneridae
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Pitar sp.
Römer 1857
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1 specimen | |||||||||
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Bivalvia
- Lucinida
- Lucinidae
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Phacoides sp.
Blainville 1825
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1 specimen | |||||||||
| P. sp. a | ||||||||||
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Bivalvia
- Arcida
- Cucullaeidae
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Cucullaea macrodonta
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2 specimens | |||||||||
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Bivalvia
- Pectinida
- Propeamussiidae
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Amusium alabamense
(Aldrich 1886)
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1 specimen | |||||||||
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Bivalvia
- Nuculanida
- Nuculanidae
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Jupiteria smirna
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26 specimens | |||||||||
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Nuculana ? saffordana
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3 specimens | |||||||||
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Bivalvia
- Solemyida
- Solemyidae
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Solemya bilix
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1 specimen | |||||||||
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Bivalvia
- Nuculida
- Nuculidae
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Nucula mediavia
Harris 1896
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3 specimens | |||||||||
| recombined as Nucula (Nucula) mediavia | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Texas | County: | Falls |
| Coordinates: | 31.3° North, 97.0° West (view map) | ||||
| Paleocoordinates: | 36.1° North, 77.4° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Paleocene |
| Stage: | Danian | 10 m.y. bin: | Cenozoic 1 |
| *Period: | Tertiary | ||
| Key time interval: | Danian | ||
| Age range of interval: | 66.00000 - 61.60000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
Lithology and environment
| Primary lithology: | unlithified argillaceous siltstone |
| Includes fossils? | Y |
| Lithology description: unconsolidated clay and clayey silt | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | mesofossils |
Collection methods and comments
| Collection excludes: | all microfossils,some macrofossils,difficult macrofossils |
| Collection methods: | bulk,mechanical,field collection |
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Database number: | 5599 | ||
| Authorizer: | A. Miller | Enterer: | K. Layou |
| Modifier: | J. Sessa | Research group: | GCP,marine invertebrate |
| Created: | 1999-10-22 08:40:25 | Last modified: | 2010-07-24 15:39:53 |
| Access level: | the public | Released: | 1999-10-22 08:40:25 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 334. | 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] |
Secondary references:
| 29915 | J. A. Sessa, T. J. Bralower, M. E. Patzkowsky, J. C. Handley, and L. C. Ivany. 2012. Environmental and biological controls on the diversity and ecology of Late Cretaceous through early Paleogene marine ecosystems in the US Gulf Coastal Plain. Paleobiology 38(2):218-239 [M. Patzkowsky/J. Sessa/J. Sessa] |