USNM806i, Cerros de los Monos, El Antimonio, Sonora: Wordian, Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Lingulata
- Lingulida
- Discinidae
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Orbiculoidea informal sp. 2
d'Orbigny 1847
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Rare category | |||||||||
| (1 measurement) | ||||||||||
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Strophomenata
- Productida
- Paucispiniferidae
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Liosotella magnirugosa n. sp.
Cooper 1953
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Rare category | |||||||||
| (2 measurements) | ||||||||||
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Liosotella rugosa
Cooper 1953
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Rare category | |||||||||
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Strophomenata
- Productida
- Productidae
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Muirwoodia sp.
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Rare category | |||||||||
| synonym of Yakovlevia | ||||||||||
| (1 measurement) | ||||||||||
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"Dictyoclostus" sp.
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Very rare category | |||||||||
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Strophomenata
- Productida
- Echinoconchidae
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Waagenoconcha montpelierensis
(Girty 1910)
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Rare category | |||||||||
| synonym of Bathymyonia nevadensis | ||||||||||
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Strophomenata
- Productida
- Linoproductidae
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Cancrinella phosphatica
(Girty 1910)
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Fairly common category | |||||||||
| (2 measurements) | ||||||||||
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Strophomenata
- Strophomenida
- Rugosochonetidae
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Chonetes foshagi n. sp.
Cooper 1953
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Very rare category | |||||||||
| recombined as Neochonetes (Neochonetes) foshagi | ||||||||||
| (1 measurement) | ||||||||||
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Rhynchonellata
- Spiriferida
- Spiriferellidae
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Spiriferella informal sp. 1
(Tschernyschew 1902)
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Very rare category | |||||||||
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Rhynchonellata
- Athyridida
- Athyrididae
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Composita sp.
Brown 1849
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Rare category | |||||||||
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Rhynchonellata
- Athyridida
- Neoretziidae
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Hustedia meekana
(Shumard 1858)
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Fairly common category | |||||||||
| Includes new subspecies "plicatella" (2 measurements) | ||||||||||
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= Hustedia shumardi
Torres-Martínez et al. 2016
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Torres-Martínez et al. 2016 | |||||||||
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Rhynchonellata
- Spiriferinida
- Paraspiriferinidae
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Punctospirifer convexus n. sp.
Cooper 1953
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Very rare category | |||||||||
| recombined as Paraspiriferina convexa | ||||||||||
| (2 measurements) | ||||||||||
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Rhynchonellata
- Spiriferinida
- Reticulariinidae
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Spiriferellina laxa
(Girty 1908)
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Rare category | |||||||||
| recombined as Reticulariina laxa | ||||||||||
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Rhynchonellata
- Rhynchonellida
- Rhynchoporidae
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Rhynchopora taylori
Girty 1910
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Rare category | |||||||||
| (1 measurement) | ||||||||||
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Rhynchonellata
- Rhynchonellida
- Stenoscismatidae
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Stenoscisma sp.
Conrad 1839
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Very rare category | |||||||||
| (1 measurement) | ||||||||||
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Rhynchonellata
- Rhynchonellida
- Wellerellidae
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? Uncinunellina pulchra n. sp.
Cooper 1953
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Very rare category | |||||||||
| (2 measurements) | ||||||||||
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Wellerella sp.
Dunbar and Condra 1932
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Rare category | |||||||||
| (1 measurement) | ||||||||||
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Wellerella lemasi
Cooper 1953
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Rare category | |||||||||
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Wellerella rotunda n. sp.
Cooper 1953
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Rare category | |||||||||
| (2 measurements) | ||||||||||
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Rhynchonellata
- Rhynchonellida
- Petasmariidae
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Leiorhynchoidea cloudi n. sp.
Cooper 1953
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Rare category | |||||||||
| (1 measurement) | ||||||||||
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Rhynchonellata
- Terebratulida
- Notothyrididae
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Glossothyropsis magna
Cooper 1953
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Rare category | |||||||||
| (1 measurement) | ||||||||||
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Rhynchonellata
- Terebratulida
- Dielasmatidae
|
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Dielasma cf. spatulatum
Girty 1908
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Very rare category | |||||||||
| (1 measurement) | ||||||||||
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Gastropoda
- Euomphalina
- Omphalotrochidae
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? Omphalotrochus informal sp. A
Meek 1864
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Very rare category | |||||||||
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Gastropoda
- Pleurotomariidae
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? Pleurotomaria informal sp. A
Defrance 1826
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Very rare category | |||||||||
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? Pleurotomaria informal sp. B
Defrance 1826
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Very rare category | |||||||||
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Bivalvia
- Nuculanida
- Polidevciidae
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Nuculana obesa
White 1879
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Rare category | |||||||||
| recombined as Polidevcia obesa | ||||||||||
| (2 measurements) | ||||||||||
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Bivalvia
- Nuculida
- Nuculidae
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"Nucula" spp.
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Very rare category | |||||||||
| Two species represented | ||||||||||
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Bivalvia
- Pectinida
- Streblochondriidae
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Aviculopecten montpelierensis
Girty 1910
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Very rare category | |||||||||
| recombined as Streblopteria montpelierensis | ||||||||||
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Bivalvia
- Cardiida
- Kalenteridae
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Pleurophorus sonorensis
Cooper 1953
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Rare category | |||||||||
| recombined as Stutchburia sonorensis | ||||||||||
| (2 measurements) | ||||||||||
| 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 | ||
| Age range of interval: | 266.90000 - 264.28000 m.y. ago |
Stratigraphy
| Formation: | Antimonio | Local bed: | Leiorhynchoidea-Cancrinella Zone | ||
| Stratigraphy comments: "Monos Beds"; Leiorhynchoidea-Cancrinella Zone is third-highest (of 7) in the succession |
Lithology and environment
| Primary lithology: | calcareous "shale" |
| Lithology description: Reddish limestone shale and sandy limestone | |
| 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
| Database number: | 40823 | ||
| Authorizer: | D. Bottjer, M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2004-07-01 12:17:04 | Last modified: | 2004-07-01 16:45:19 |
| Access level: | the public | Released: | 2004-07-01 12:17:04 |
| 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] |
Secondary references:
| 27487 | M. E. Clapham. 2015. Personal Opinions. [M. Clapham/M. Clapham/M. Clapham] | |
| 61293 | M. A. Torres-Martínez, F. Sour-Tovar, and R. Barragán. 2016. Permian (Leonardian) brachiopods from Paso Hondo Formation, Chiapas, southern Mexico. Paleobiogeographical implications. Journal of South American Earth Sciences 71:71-81 [M. Clapham/M. Clapham/M. Clapham] |