El Antimonio: Tuvalian, Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Spriogmoceras shastense
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Lucas and Estep 1999 | |||||||||
| Unit 10/11 - Hummocky sandstone | ||||||||||
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Cephalopoda
- Aulacocerida
- Aulacoceratidae
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Dictyoconites sp.
von Mojsisovics 1902
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Miller 1961 | |||||||||
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Cephalopoda
- Belemnitida
- Belemnitidae
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Actinoconites sp.
Steinmann 1910
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Miller 1961 | |||||||||
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Cephalopoda
- Aulacoceratida
- Xiphoteuthididae
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Choanoteuthis antimonioensis n. sp.
Miller 1961
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Miller 1961 | |||||||||
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Metabelemnites cf. philippii
(Hyatt and Smith 1905)
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Miller 1961 | |||||||||
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Cephalopoda
- Ceratitida
- Trachyceratidae
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Arpadites gabbi
Hyatt and Smith 1905
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Lucas and Estep 1999 | |||||||||
| Unit 10/11 - Hummocky sandstone | ||||||||||
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Sirenites ovinus
Tozer 1994
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Lucas and Estep 1999 | |||||||||
| Units 2 and 4/5 - Limestone | ||||||||||
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Sirenites nanseni
Tozer 1961
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Lucas and Estep 1999 | |||||||||
| Units 2 and 4/5 - Limestone | ||||||||||
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Cephalopoda
- Ceratitida
- Arcestidae
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Arcestes sp.
Suess 1865
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Lucas and Estep 1999 | |||||||||
| Units 19, 21, 23, 26 - Limestone | ||||||||||
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Cephalopoda
- Ceratitida
- Clionitidae
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Sympolycyclus nodifer
(Hyatt and Smith 1905)
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Lucas and Estep 1999 | |||||||||
| Unit 10/11 - Hummocky sandstone | ||||||||||
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Cephalopoda
- Ceratitida
- Sandlingitidae
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Traskites sp.
Hyatt and Smith 1905
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Lucas and Estep 1999 | |||||||||
| Unit 10/11 - Hummocky sandstone | ||||||||||
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Clionites fairbanksi
Hyatt and Smith 1905
|
Lucas and Estep 1999 | |||||||||
| Unit 10/11 - Hummocky sandstone | ||||||||||
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Cephalopoda
- Ceratitida
- Haloritidae
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Trachysagenites herbichi
Mojsisovics 1893
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Lucas and Estep 1999 | |||||||||
| Unit 10/11 - Hummocky sandstone | ||||||||||
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Cephalopoda
- Ceratitida
- Tropitidae
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Tropites dilleri
Smith 1904
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Lucas and Estep 1999 | |||||||||
| Unit 10/11 - Hummocky sandstone | ||||||||||
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Stenolaemata
- Cystoporida
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Cystoporida indet.
(Astrova 1964)
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| see common names | ||||||||||
Geography
| Country: | Mexico | State/province: | Sonora |
| Coordinates: | 30.8° North, 112.6° West (view map) | ||
| Paleocoordinates: | 8.9° North, 50.2° West | ||
| Basis of coordinate: | based on nearby landmark |
Time
| Period: | Triassic | Epoch: | Late Triassic |
| Stage: | Carnian | 10 m.y. bin: | Triassic 3 |
| *Period: | Late/Upper Triassic | ||
| Key time interval: | Tuvalian | ||
| Age range of interval: | 233.4 - 227 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Stratigraphy comments: JA: originally entered as Carnian; the Tropites dilleri zone is Tuvalian according to Lucas et al. 2012 |
Lithology and environment
| Primary lithology: | "limestone" |
| Includes fossils? | Y |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | mesofossils |
Collection methods and comments
| Collection excludes: | all macrofossils |
| Collection methods: | survey of museum collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | USNM |
| Taxonomic list comments:Also present: a rich ammonoid fauna | |
Metadata
| Also known as: | IU-5170-1 | ||
| Database number: | 32836 | ||
| Authorizer: | D. Bottjer, A. Dunhill | Enterer: | C. Powers, B. Allen |
| Modifier: | J. Alroy | Research group: | marine invertebrate |
| Created: | 2003-07-16 10:07:47 | Last modified: | 2012-09-05 23:32:11 |
| Access level: | the public | Released: | 2003-07-16 10:07:47 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 8791. | P. Schaefer and E. Fois. 1987. Systematics and evolution of Triassic Bryozoa. Geologica et Palaeontologica 21:173-225 [D. Bottjer/C. Powers/C. Powers] |
Secondary references:
| 15382 | S. G. Lucas and J. W. Estep. 1999. Permian, Triassic, and Jurassic stratigraphy, biostratigraphy, and sequence stratigraphy in the Sierra del Alamo Muerto, Sonora, Mexico. Geological Society of America Special Paper 340:271-286 [A. McGowan/A. McGowan] | |
| 68715 | H. W. Miller. 1961. Paleontología del Triásico superior de Sonora. Parte IV. Belemnoides del Triasico Superior del Estado de Sonora. Paleontologia Mexicana 11:15pp [A. Dunhill/B. Allen] |