Little Brazos River (H76-69-2): Lutetian, Texas
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Anthozoa
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Anthozoa indet.
Ehrenberg 1834
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3 specimens | |||||||||
"Coral sp." | ||||||||||
Gastropoda
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Gastropoda indet.
Cuvier 1795
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14 specimens | |||||||||
misc. gastropods, 14 species, 1 specimen each. | ||||||||||
Gastropoda
- Neogastropoda
- Buccinidae
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Buccitriton texanum
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202 specimens | |||||||||
Gastropoda
- Neogastropoda
- Terebridae
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Terebridae indet.
Mörch 1852
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1 specimen | |||||||||
Terebrid | ||||||||||
Gastropoda
- Neogastropoda
- Turridae
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Eucheilodon reticulatus
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19 specimens | |||||||||
= Eucheilodon reticulata
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Palmer and Brann 1965 | |||||||||
Gastropoda
- Neogastropoda
- Costellariidae
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Conomitra texana
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6 specimens | |||||||||
Gastropoda
- Neogastropoda
- Volutidae
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Athleta ? petrosus
(Conrad 1833)
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1 specimen | |||||||||
recombined as Athleta petrosa | ||||||||||
originally entered as "Athleta ? petrosus" | ||||||||||
Gastropoda
- Ranellidae
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Distorsio septemdentata
()
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1 specimen | |||||||||
original and current combination Distorsio septendentata | ||||||||||
Gastropoda
- Naticidae
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Naticidae indet.
Guilding 1834
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1 specimen | |||||||||
"Naticid sp." | ||||||||||
Polinices aratus
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85 specimens | |||||||||
Gastropoda
- Opisthobranchia
- Retusidae
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Rhizorus loisae
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3 specimens | |||||||||
Bivalvia
- Pholadida
- Corbulidae
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Caryocorbula ? deusseni
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2 specimens | |||||||||
originally entered as "Caryocorbula ? deusseni" | ||||||||||
Bivalvia
- Cardiida
- Cardiidae
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Cardiidae indet.
Lamarck 1809
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1 specimen | |||||||||
Cardiid | ||||||||||
Bivalvia
- Nuculida
- Nuculidae
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Nucula sp.
Lamarck 1799
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5 specimens | |||||||||
Bivalvia
- Nuculanida
- Nuculanidae
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Nuculana trivitate
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7 specimens | |||||||||
Orthoyoldia psammotaea
(Dall 1898)
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5 specimens | |||||||||
Scaphopoda
- Gadilida
- Gadilidae
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Cadulus sp.
Philippi 1844
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12 specimens | |||||||||
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: | 47.80000 - 41.30000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Cook Mountain | Member: | Wheelock Marl |
Local section: | H76-69 | Local bed: | 2 |
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | gray,red or brown unlithified "shale" | ||
Environment: | offshore | Tectonic setting: | passive margin |
Geology comments: "Gray-brown block clay with sand partings. Well preserved shell concentrated in partings." |
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: | H76-69-2 | ||
Database number: | 1450 | ||
Authorizer: | T. Hansen, J. Sessa | Enterer: | M. Sommers, J. Sessa |
Modifier: | J. Alroy | Research group: | marine invertebrate |
Created: | 1999-04-20 10:29:20 | 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] |