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词条 La Boca Formation
释义

  1. Fossil record

      Vertebrate fauna  

  2. See also

  3. References

{{Infobox rockunit
| name = La Boca Formation
| image =
| caption =
| type = Geological formation
| period = Middle Jurassic
| age = Early-Mid Jurassic
| prilithology =
| otherlithology =
| namedfor =
| namedby =
| region = Tamaulipas
| country = Mexico
| coordinates =
| unitof =
| subunits =
| underlies = La Joya Formation
| overlies = Huizachal Formation
| thickness =
| extent =
| area =
| map =
| map_caption =
}}

The La Boca Formation is a geological formation in Tamaulipas state, northeast Mexico.

It dates back to the Early Jurassic and Middle Jurassic epochs. [1] [2]

Fossil record

Vertebrate fauna

Bocaconodon[3]B. tamaulipensis[3]Bocatherium[4] Williston proposed the Sphenodontia to include only tuatara and their closest fossil relatives in 1925.[4]B. mexicanum[4]

Unnamed Ceratosaur[2]

Unnamed Crocodyliforms[4]

CynosphenodonC. huizachalensisDimorphodonD. weintraubi

Indeterminate Heterodontosaurid remains[5]

Huasteconodon[3]H. wiblei[3]

Possible indeterminate Sauropod remains[2]

Unnamed Mammaliaforms (IGM 6622,IGM 6855, and IGM 6856)[3]

Sphenovipera[6]S. jimmysjoyi[6]TamaulipasaurusT. morenoi

Indeterminate Theropod remains[2]

Victoriaconodon[3]V. inaequalis[3]ZapatadonZ. ejidoensis
Vertebrates of the La Boca Formation
Genus Species Location Stratigraphic position Abundance Notes Images
A basal Mammaliaform[3]
A Tritylodontid[4]
A Sphenodont
A Pterosaur
A Gobiconodont[3]
A venomous Sphenodont[6]
A strange burrowing Diapsid
A Triconodontid[3]
A dwarf Sphenodont

See also

  • {{C|Jurassic Mexico}}
  • List of dinosaur-bearing rock formations
  • List of pterosaur-bearing stratigraphic units

References

1. ^[https://books.google.com/books?id=K2an9yd2aq4C&pg=PA221&lpg=PA221&dq=La+Joya+Formation+mexico&source=bl&ots=_eLC3ByJgN&sig=xq2OdUOaIYumsfrNB3dw1MSGknE&hl=en&sa=X&ved=0ahUKEwia9PqB4ubRAhXp7IMKHYb2AygQ6AEIHzAB#v=onepage&q=La%20Joya%20Formation%20mexico&f=false Mesozoic Sedimentary and Tectonic History of North-central Mexico, Issue 340], pg 206; edited by Claudio Bartolini, James Lee Wilson, Timothy Frost Lawton.
2. ^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}}.
3. ^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.  
4. ^{{cite book |editor=Fraser, Nicholas |editor2=Sues, Hans-Dieter | title=In the Shadow of the Dinosaurs: Early Mesozoic Tetrapods | publisher=Cambridge University Press | year=1994 | isbn=0-521-45242-2}}
5. ^{{cite book |last=Clark |first=James |author2=Montellano, Marisol |author3=Hopson, James A. |author4=Hernandez, Rene |author5=Fastovsky, David A. |editor=Fraser, N.C. |editor2=Sues H.-D. |chapter=An Early or Middle Jurassic tetrapod assemblage from the La Boca Formation, northeastern Mexico |title=In The Shadow of the Dinosaurs: Early Mesozoic Tetrapods |year=1994 |location=Cambridge |publisher=Cambridge University Press |pages=295–302 |isbn=0-521-45899-4}}
6. ^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}}
{{Portal bar|Jurassic|Mexico|Paleontology|Dinosaurs}}{{-}}{{paleo-site-stub}}{{Mexico-geo-stub}}

8 : Jurassic Mexico|Geography of Tamaulipas|Early Jurassic North America|Middle Jurassic North America|Geologic formations of Mexico|Natural history of Tamaulipas|Paleontology in Mexico|Jurassic System of North America

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