La Boca Formation
| La Boca Formation Stratigraphic range: ?Middle Jurassic | |
|---|---|
| Type | Geological formation |
| Unit of | Huizachal Formation |
| Underlies | La Joya Formation |
| Location | |
| Region | Tamaulipas |
| Country | Mexico |
The La Boca Formation is a geological formation in Mexico. It dates back to the Middle Jurassic.[1]
Vertebrate fauna
| Vertebrates of the La Boca Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Abundance | Notes | Images |
|
Bocaconodon[2] |
B. tamaulipensis[2] |
A basal Mammaliaform[2] | ||||
|
Bocatherium[3] Williston proposed the Sphenodontia to include only tuatara and their closest fossil relatives in 1925.[3] |
B. mexicanum[3] |
A Tritylodontid[3] | ||||
|
Unnamed Ceratosaur[1] |
||||||
|
Unnamed Crocodyliforms[3] |
||||||
|
C. huizachalensis |
A Sphenodont | |||||
|
D. weintraubi |
A Pterosaur | |||||
|
Indeterminate Heterodontosaurid remains[4] |
||||||
|
Huasteconodon[2] |
H. wiblei[2] |
A Gobiconodont[2] | ||||
|
Unnamed Mammaliaforms (IGM 6622,IGM 6855, and IGM 6856)[2] |
||||||
|
Sphenovipera[5] |
S. jimmysjoyi[5] |
A venomous Sphenodont[5] | ||||
|
Tamaulipasaurus |
T. morenoi |
A strange burrowing Diapsid | ||||
|
Victoriaconodon[2] |
V. inaequalis[2] |
A Triconodontid[2] | ||||
|
Z. ejidoensis |
A dwarf Sphenodont | |||||
See also
References
- 1 2 3 4 Weishampel, David B; et al. (2004). "Dinosaur distribution (Middle Jurassic, North America)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 537–538. ISBN 0-520-24209-2.
- 1 2 3 4 5 6 7 8 9 10 Montellano, M., J. A. Hopson, and J. M. Clark. 2008. Late Early Jurassic mammaliaforms from Huizachal Canyon, Tamaulipas, Mexico. Journal of Vertebrate Paleontology 28:1130–1143.
- 1 2 3 4 5 Fraser, Nicholas; Sues, Hans-Dieter; (eds) (1994). In the Shadow of the Dinosaurs: Early Mesozoic Tetrapods. Cambridge University Press. ISBN 0-521-45242-2.
- ↑ Clark, James; Montellano, Marisol; Hopson, James A., Hernandez, Rene; & Fastovsky, David A. (1994). "An Early or Middle Jurassic tetrapod assemblage from the La Boca Formation, northeastern Mexico". In Fraser, N.C.; and Sues, H.-D. (Eds.). In The Shadow of the Dinosaurs: Early Mesozoic Tetrapods. Cambridge: Cambridge University Press. pp. 295–302. ISBN 0-521-45899-4. Cite uses deprecated parameter
|coauthors=(help) - 1 2 3 Reynoso, V.H. 2005. Possible evidence of a venom apparatus in a Middle Jurassic sphenodontian from the Huizachal red beds of Tamaulipas, Mexico. Journal of Vertebrate Paleontology 25: 646–653. doi:10.1671/0272-4634(2005)025[0646:PEOAVA]2.0.CO;2
Footnotes
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