P-10 (Brazos River K-T boundary, TX): Danian, Texas
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Pisces
|
||||||||||
|
Pisces indet.
Linnaeus 1758
|
23 specimens | |||||||||
| synonym of Osteichthyes | ||||||||||
| fish parts | ||||||||||
|
Gastropoda
|
||||||||||
|
Gastropoda indet.
Cuvier 1795
|
1 specimen | |||||||||
| G. g | ||||||||||
|
Gastropoda
- Procerithiidae
|
||||||||||
|
Nudivagus sp.
|
5 specimens | |||||||||
| N. sp. a | ||||||||||
|
Gastropoda
- Naticidae
|
||||||||||
|
Naticidae indet.
Guilding 1834
|
17 specimens | |||||||||
|
Gastropoda
- Neogastropoda
|
||||||||||
|
Neogastropoda indet.
Thiele 1929
|
5 specimens | |||||||||
| N. a (4), N. g (1) | ||||||||||
|
Gastropoda
- Neogastropoda
- Fasciolariidae
|
||||||||||
|
Anomalofusus sp.
Wade 1916
|
1 specimen | |||||||||
| A. substriata or subnodosus | ||||||||||
|
Gastropoda
- Neogastropoda
- Turridae
|
||||||||||
|
Turridae indet.
Swainson 1840
|
1 specimen | |||||||||
| T. c | ||||||||||
|
Amuletum curvocostatum
|
1 specimen | |||||||||
|
Gastropoda
- Rostellariidae
|
||||||||||
|
Calyptraphorus aldrichi
|
1 specimen | |||||||||
| [entered as Calyptrophorus aldrichi] | ||||||||||
|
Bivalvia
- Nuculanida
- Nuculanidae
|
||||||||||
|
Nuculana sp.
Link 1807
|
167 specimens | |||||||||
| N. sp. b | ||||||||||
|
Bivalvia
- Pectinida
- Propeamussiidae
|
||||||||||
|
Amusium alabamense
(Aldrich 1886)
|
1 specimen | |||||||||
|
Bivalvia
- Ostreida
- Ostreidae
|
||||||||||
|
Ostreidae indet.
Rafinesque 1815
|
1 specimen | |||||||||
|
Bivalvia
- Arcida
- Parallelodontidae
|
||||||||||
|
Nemodon eufaulensis
|
1 specimen | |||||||||
| [entered as Nemodon eufalensis] | ||||||||||
|
Bivalvia
- Pholadida
- Corbulidae
|
||||||||||
|
Corbula subengonata
Dall 1898
|
4 specimens | |||||||||
| recombined as Cuneocorbula subengonata | ||||||||||
|
Bivalvia
- Thraciida
- Periplomatidae
|
||||||||||
|
Periploma ? sp.
Schumacher 1816
|
1 specimen | |||||||||
| 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 | Zone: | Biscutum romeini |
| Age range of interval: | 66.00000 - 61.60000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Local order: | bottom to top | ||||
| Stratigraphy comments: composite section from CM-4 and Brazos-1, in foram zone P1a | |||||
Lithology and environment
| Primary lithology: | bioturbation unlithified silty claystone |
| Includes fossils? | Y |
| Lithology description: homogenized (from bioturbation) silty claystone with sparse fossils (hansen et al. 1987) | |
| 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: | biostratigraphic analysis |
Metadata
| Database number: | 5579 | ||
| Authorizer: | A. Miller | Enterer: | K. Layou |
| Modifier: | J. Sessa | Research group: | GCP,marine invertebrate |
| Created: | 1999-10-18 10:54:29 | Last modified: | 2010-07-24 15:32:56 |
| Access level: | the public | Released: | 1999-10-18 10:54:29 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 333. | 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] |
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] |