List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Strophomenata
- Strophomenida
- Amphistrophiidae
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Amphistrophiella (Sulcastrophiella) sp.
Harper and Boucot 1978
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1 specimen | |||||||||
spelled with current rank as Amphistrophia (Amphistrophiella) | ||||||||||
sgn. (Sulcastrophiella) | ||||||||||
Strophomenata
- Strophomenida
- Strophonellidae
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Strophoprion sp.
Twenhofel 1914
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2 specimens | |||||||||
synonym of Strophonella | ||||||||||
Strophomenata
- Strophomenida
- Rafinesquinidae
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Leptaena sp.
Dalman 1828
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1 specimen | |||||||||
Strophomenata
- Orthotetida
- Chilidiopsidae
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Coolinia sp.
Bancroft 1949
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3 specimens | |||||||||
spelled with current rank as Fardenia (Coolinia) | ||||||||||
Rhynchonellata
- Spiriferida
- Cyrtiidae
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Eospirifer sp.
Schuchert 1913
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2 specimens | |||||||||
Rhynchonellata
- Spiriferida
- Delthyrididae
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Delthyris sp.
Dalman 1828
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12 specimens | |||||||||
Rhynchonellata
- Athyridida
- Meristidae
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Amerista sp.
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1 specimen | |||||||||
Rhynchonellata
- Athyridida
- Meristellidae
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Meristina sp.
Hall 1867
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2 specimens | |||||||||
Rhynchonellata
- Rhynchonellida
- Hebetoechiidae
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Sphaerirhynchia sp.
Cooper and Muir-Wood 1951
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2 specimens | |||||||||
Rhynchonellata
- Orthida
- Dalmanellidae
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Resserella sp.
Bancroft 1928
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2 specimens | |||||||||
Isorthis (Ovalella) sp.
Walmsley and Boucot 1975
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1 specimen | |||||||||
sgn. (Ovalella) | ||||||||||
Rhynchonellata
- Atrypida
- Atrypidae
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Atrypa sp.
Dalman 1828
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3 specimens | |||||||||
Stenolaemata
- Cryptostomata
- Ptilodictyidae
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Ptilodictyidae indet.
Zittel 1880
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1 specimen | |||||||||
see common names |
Geography
Country: | Mexico | State/province: | Tamaulipas |
Coordinates: | 23.8° North, 99.3° West (view map) | ||
Paleocoordinates: | 25.6° South, 76.0° West | ||
Geographic resolution: | small collection |
Stratigraphy
Formation: | Canon de Caballeros | Member: | Upper | ||
Stratigraphic resolution: | member | ||||
Stratigraphy comments: Macropleurella and Sphaerirhynchia suggest a late Wenlock - early Ludlow age, supported by Amphistrophiella (S.) carillobravoi. |
Lithology and environment
Primary lithology: | lithified argillaceous,silty siltstone |
Secondary lithology: | sandstone |
Lithology description: consists of shaley siltstone and very fine-grained sandstone and a few beds of fine-to-medium grained sandstone. | |
Environment: | offshore |
Geology comments: Upper member fauna belong to BA3 but Janius community, representing high-diversity, level bottom, moderately turbulent environments. |
Taphonomy
Modes of preservation: | body |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | biostratigraphic analysis |
Metadata
Database number: | 5126 | ||
Authorizer: | J. Alroy | Enterer: | M. Sommers | Research group: | marine invertebrate |
Created: | 1999-08-30 18:48:02 | Last modified: | 2003-07-18 18:05:03 |
Access level: | the public | Released: | 2000-11-20 13:53:25 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
212. | A. J. Boucot, R. B. Blodgett, and J. H. Stewart. 1997. European province Late Silurian brachiopods from the Ciudad Victoria area, Tamaulipas, northeastern Mexico. Geological Society of America Special Paper 321:273-293 [J. Alroy/M. Sommers/P. Wagner] |