USNM806m, Cerros de los Monos: Wordian, Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Schwagerinidae
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Parafusulina sp.
Dunbar and Skinner 1931
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Very rare category | |||||||||
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Rhynchonellata
- Spiriferida
- Trigonotretidae
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Neospirifer sp.
Fredericks 1919
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Rare category | |||||||||
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Rhynchonellata
- Spiriferida
- Spiriferellidae
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? Spiriferella scobinoidea
Cooper 1953
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Common category | |||||||||
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Rhynchonellata
- Rhynchonellida
- Rhynchoporidae
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Rhynchopora taylori
Girty 1910
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Rare category | |||||||||
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Strophomenata
- Orthotetida
- Derbyiidae
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Derbyia arellanoi
Cooper 1953
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Rare category | |||||||||
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Derbyia elongata n. sp.
Cooper 1953
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Very rare category | |||||||||
| (1 measurement) | ||||||||||
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Strophomenata
- Productida
- Linoproductidae
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Anidanthus alatus
Cooper 1953
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Abundant category | |||||||||
| recombined as Megousia alata | ||||||||||
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Strophomenata
- Productida
- Paucispiniferidae
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Liosotella rugosa
Cooper 1953
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Fairly common category | |||||||||
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Strophomenata
- Productida
- Productellidae
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Dictyoclostus depressus
Cooper 1953
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Common category | |||||||||
| recombined as Thamnosia depressa | ||||||||||
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Gastropoda
- Cyrtoneritida
- Orthonychiidae
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Orthonychia informal sp. A
Hall 1843
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Rare category | |||||||||
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Bivalvia
- Trigoniida
- Schizodidae
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Schizodus parvulus
Cooper 1953
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Rare category | |||||||||
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Scaphopoda
- Dentaliida
- Prodentaliidae
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Plagioglypta canna
(White 1874)
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Rare category | |||||||||
| recombined as Prodentalium canna | ||||||||||
| (1 measurement) | ||||||||||
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unclassified
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Porifera indet.
Grant 1836
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| see common names | ||||||||||
Geography
| Country: | Mexico | State/province: | Sonora |
| Coordinates: | 30.8° North, 112.6° West (view map) | ||
| Paleocoordinates: | 11.7° North, 40.3° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | local area |
Time
| Period: | Permian | Epoch: | Guadalupian |
| Stage: | Wordian | 10 m.y. bin: | Permian 4 |
| Key time interval: | Wordian | Zone: | Anidanthus |
| Age range of interval: | 266.90000 - 264.28000 m.y. ago |
Stratigraphy
| Formation: | Antimonio | Member: | Monos Beds | ||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: "Monos Beds"; Anidanthus zone includes two lowest zones in the succession | |||||
Lithology and environment
| Primary lithology: | concretionary,blue "limestone" |
| Lithology description: Bluish limestone containing black concretions | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body,replaced with silica |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Also known as: | USNM806m, Cerros de los Monos, El Antimonio, Sonora | ||
| Database number: | 40831 | ||
| Authorizer: | D. Bottjer | Enterer: | M. Clapham |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2004-07-01 12:43:46 | Last modified: | 2023-11-27 23:14:14 |
| Access level: | the public | Released: | 2004-07-01 12:43:46 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 11030. | G. A. Cooper, C. O. Dunbar, H. Duncan, A. K. Miller, and J. B. Knight. 1953. Permian fauna at El Antimonio, western Sonora, Mexico. Smithsonian Miscellaneous Collections 119(2):1-111 [D. Bottjer/M. Clapham/P. Wagner] |