Sierra Santa Rosa, Section 4: Sinemurian, Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Mytilida
- Mytilidae
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Falcimytilus sp.
Cox 1937
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Modiolus cf. baylei
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Bivalvia
- Pectinida
- Neitheidae
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Weyla alata
(von Buch 1838)
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| recombined as Weyla (Weyla) alata | ||||||||||
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Bivalvia
- Pectinida
- Entoliidae
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Entolium disciforme
(Schubler 1833)
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Bivalvia
- Ostreida
- Pinnidae
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Pinna sp.
Linnaeus 1758
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Bivalvia
- Cardiida
- Kalenteridae
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Myoconcha neuquena
Leanza 1940
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Bivalvia
- Pholadida
- Ceratomyidae
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Gresslya cf. striata
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Ceratomya sp.
Sandberger 1864
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Bivalvia
- Pandorida
- Laternulidae
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Platymyoidea indet.
Cox 1964
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| originally entered as "Platymyoidea sp." | ||||||||||
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Bivalvia
- Pholadomyida
- Pholadomyidae
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Pholadomya cf. fidicula
Sowerby 1826
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| recombined as Pholadomya (Pholadomya) fidicula | ||||||||||
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Pholadomya cf. ambigua
(Sowerby 1819)
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? Pachymya sp.
Sowerby 1826
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| see common names | ||||||||||
Geography
| Country: | Mexico | State/province: | Sonora |
| Coordinates: | 30.7° North, 112.6° West (view map) | ||
| Paleocoordinates: | 17.6° North, 55.2° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | local area |
Time
| Period: | Jurassic | Epoch: | Early/Lower Jurassic |
| Stage: | Sinemurian | 10 m.y. bin: | Jurassic 1 |
| Key time interval: | Sinemurian | ||
| Age range of interval: | 199.50000 - 192.90000 m.y. ago |
Stratigraphy
| Formation: | Sierra Santa Rosa | Member: | Middle | ||
| Stratigraphic resolution: | member | ||||
| Stratigraphy comments: Sinemurian-Pliensbachian? | |||||
Lithology and environment
| Primary lithology: | mudstone |
| Secondary lithology: | calcareous sandstone |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body,mold/impression |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
| Articulated whole bodies: | some |
| Fragmentation: | occasional |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 40177 | ||
| Authorizer: | M. Aberhan | Enterer: | S. Nurnberg |
| Modifier: | S. Nurnberg | Research group: | marine invertebrate |
| Created: | 2004-06-19 08:05:25 | Last modified: | 2004-06-19 11:05:25 |
| Access level: | the public | Released: | 2004-09-19 08:05:25 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 10581. | S. E. Damborenea and C. M. González-León. 1997. Late Triassic and Early Jurassic bivalves from Sonora, Mexico. Revista Mexicana de Ciencias Geológicas 14(2):178-201 [M. Aberhan/S. Nurnberg/S. Nurnberg] |