Little Brazos River (H76-69-1): Lutetian, Texas
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Scaphopoda
- Gadilida
- Gadilidae
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Cadulus sp.
Philippi 1844
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9 specimens | |||||||||
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Bivalvia
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Bivalvia indet.
Linnaeus 1758
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14 specimens | |||||||||
| misc. bivalves,14 species, 1 specimen each | ||||||||||
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Bivalvia
- Pholadida
- Corbulidae
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Caryocorbula deusseni
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9 specimens | |||||||||
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Bivalvia
- Carditida
- Carditidae
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Venericardia sp.
Lamarck 1801
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2 specimens | |||||||||
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Bivalvia
- Nuculanida
- Nuculanidae
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Orthoyoldia psammotaea
(Dall 1898)
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7 specimens | |||||||||
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Nuculana trivitate
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18 specimens | |||||||||
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Gastropoda
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Gastropoda indet.
Cuvier 1795
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22 specimens | |||||||||
| misc. gastropods, 22 species, 1 specimen each | ||||||||||
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Gastropoda
- Neogastropoda
- Volutidae
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Athleta petrosus
(Conrad 1833)
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1 specimen | |||||||||
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Gastropoda
- Neogastropoda
- Buccinidae
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Buccitriton texanum
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175 specimens | |||||||||
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Gastropoda
- Neogastropoda
- Cancellariidae
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Bonellitia parilis
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2 specimens | |||||||||
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Gastropoda
- Neogastropoda
- Turridae
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Eucheilodon reticulatus
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2 specimens | |||||||||
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= Eucheilodon reticulata
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Palmer and Brann 1965 | |||||||||
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Gastropoda
- Neogastropoda
- Costellariidae
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Conomitra texana
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13 specimens | |||||||||
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Gastropoda
- Naticidae
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Naticidae indet.
Guilding 1834
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2 specimens | |||||||||
| "Naticid sp." | ||||||||||
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Polinices aratus
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62 specimens | |||||||||
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Gastropoda
- Opisthobranchia
- Retusidae
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Rhizorus loisae
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5 specimens | |||||||||
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Anthozoa
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Anthozoa indet.
Ehrenberg 1834
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13 specimens | |||||||||
| "Coral sp." | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Texas | County: | Burleson |
| Coordinates: | 30.5° North, 96.7° West (view map) | ||||
| Paleocoordinates: | 32.6° North, 85.7° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Lutetian | 10 m.y. bin: | Cenozoic 2 |
| *Period: | Tertiary | ||
| Key time interval: | Lutetian | ||
| Age range of interval: | 47.8 - 41.2 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Cook Mountain | Member: | Wheelock Marl |
| Local section: | H76-69 | Local bed: | 1 |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | green unlithified "shale" | ||
| Environment: | offshore | Tectonic setting: | passive margin |
| Geology comments: "olive clay-sand with scattered well preserved shell." | |||
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection methods: | bulk,mechanical,sieve,field collection |
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Also known as: | H76-69 | ||
| Database number: | 1449 | ||
| Authorizer: | T. Hansen, J. Sessa | Enterer: | M. Sommers, J. Sessa |
| Modifier: | J. Alroy | Research group: | marine invertebrate |
| Created: | 1999-04-15 18:51:16 | Last modified: | 2006-09-14 19:54:24 |
| Access level: | the public | Released: | 2000-11-20 13:53:12 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 42. | T. A. Hansen. 1978. Ecological control of evolutionary rates in Paleocene - Eocene marine molluscs. Ph.D. Thesis, Yale University 1-310 [T. Hansen/M. Sommers/A. Clement] |
Secondary references:
| 11845 | K. V. Palmer and D. C. Brann. 1965. Catalogue of the Paleocene and Eocene mollusca of the southern and eastern United States. Part 1. Pelecypoda, Amphineura, Peteropoda, Scaphopoda and Cephalopoda. Bulletins of American Paleontology 48:1-471 [M. Kosnik/M. Kosnik/J. Alroy] |