Ojinaga Formation
| Ojinaga Formation | |
|---|---|
| Stratigraphic range: Mesozoic | |
 Skull of Tylosaurus cf. (kansasensis) nepaeolicus (SGM-M1) from Ojinaga Municipality, Chihuahua, México. | |
| Type | Geological formation |
| Sub-units | Nogal Formation, Picacho Formation |
| Underlies | San Carlos Formation |
| Overlies | Aurora Limestone, Buda Formation |
| Area |  USA Mexico |
| Thickness | 148 m. - 1395 m.[1] |
| Lithology | |
| Primary | Limestone |
| Other | Shale, Sandstone |
| Location | |
| Region | South North America |
| Type section | |
| Named for | Ojinaga Municipality |
| Named by | R.H. Burrows[2] |
The Ojinaga Formation is a Mesozoic geologic formation. Dinosaur remains are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus.[3]
Vertebrate paleofauna
Invertebrate paleofauna
- Inoceramus sp.[5]
- Globochaete alpina[5]
- Favusella iltermanne[5]
- Hedbergella sp.[5]
- Sacoccoma sp.[5]
- Rotalipora sp.[5]
- Heterohelix sp.[5]
- Leoblichaella cf. bentonensis[5]
- Clavihedbergella sp.[5]
- Mammites nodosides[6]
- Collignomiceras chispaense[6]
- Pryonocycloceras gabrielensis[6]
- Texanites stangeri[6]
- Texanites densicostatus[6]
- Submortoniceras tequesquitense[6]
- Inoceramus undulatuplicatus[6]
- Placenticeras planum[7]
- Eutrephoceras dekayi[7]
- Eutrephoceras alcesense[7]
- Baculites sp.[7]
- Exogyra poderosa[7]
- Exogyra erraticostata[7]
See also
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Footnotes
- ^ Wolleben, J.A., 1965, Nomenclatura litoestratigráfica de las unidades del Cretácico Superior en el Oeste de Texas y el Noreste de Chihuahua: Boletín del Instituto de Geología, 38(2), 65-74.
- ^ Burrows, R.H., 1910. Geology of Northern Mexico Geological Society of American Bulletin, 7(1), 85–103. https://doi.org/10.18268/BSGM1910v7n1a12
- ^ Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
- ^ Abelaid Loera Flores (2013). "Occurrence of a tylosaurine mosasaur (Mosasauridae; Russellosaurina) from the Turonian of Chihuahua State, Mexico" (PDF). Boletín de la Sociedad Geológica Mexicana. 65 (1): 99–107. doi:10.18268/BSGM2013v65n1a8.
- ^ 5.0 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 Castillo-Madrid, A., 1982, Reconocimiento geológico de una porción de los estados de Chihuahua y Coahuila: México, D.F., Universidad Nacional Autónoma de México, tesis profesional, 160 p.
- ^ 6.0 6.1 6.2 6.3 6.4 6.5 6.6 Cabrera, F., Narváez, G., Chávez, J.M., Alcántara, J., Gómez, F., 1984, Exploración carbonífera en la Cuenca de Ojinaga, Chihuahua: Informe inédito 45, 20 p.
- ^ 7.0 7.1 7.2 7.3 7.4 7.5 Westgate, J., Brown, R., Pittman, J., Cope, D., Kalb, J., 2006, First occurrences of Deinosuchus in Mexico, en 66th Annual Meeting Society of Vertebrate Paleontology, Ontario, Canada: Journal of Vertebrate Paleontology, 26(3), p. 138.
References
- Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2.
External links
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