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Leptoceratopsidae

De Wikipedia, la enciclopedia libre

 
Leptoceratopsidae
Rango temporal: Cretácico superior

Diversidad de leptoceratópsidos. Desde arriba a la izquierda: Prenoceratops, Montanoceratops y Leptoceratops.
Taxonomía
Reino: Animalia
Filo: Chordata
Infraclase: Sauropsida
Superorden: Dinosauria
Orden: Ornithischia
Suborden: Neornithischia
Infraorden: Ceratopsia
Familia: Leptoceratopsidae
Nopcsa, 1923
Géneros
[editar datos en Wikidata]

Los leptoceratópsidos (Leptoceratopsidae) son un familia de dinosaurios marginocéfalos ceratopsianos, que vivieron en el Cretácico superior (hace aproximadamente entre 86 y 65 millones de años, desde el Santoniense hasta el Maastrichtiense), en lo que hoy es Asia,en el este de Norteamérica y posiblemente en Argentina.

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Transcription

Sistemática

Leptoceratopsidae de define como el clado más inclusivo que contiene al Leptoceratops andrewsi (Brown, 1914) pero no al Triceratops horridus (Marsh, 1889).

Filogenia

Cladograma según Butler y colaboradores de 2011:[1]​

Ceratopsia
 

Micropachycephalosaurus

 
 

Chaoyangsaurus

 
 
 

Stenopelix

 
 

Yinlong

 
 
 
 

Psittacosauridae

 
Neoceratopsia
 

Liaoceratops

 
 
 

Archaeoceratops

 
 
 

Leptoceratopsidae

 
 

Coronosauria

 
 
 
 
 
 

Cladograma simplificado según análisis de Michael J. Ryan y colaboradores:[2]​

Leptoceratopsidae
 

Asiaceratops

 
 
 

Cerasinops

 
 
 

Montanoceratops

 
 
 

Prenoceratops

 
 
 

Leptoceratops

 
 

Udanoceratops

 
 
 

Zhuchengceratops

 
 
 

Gryphoceratops

 
 

Unescoceratops

 
 
 
 
 
 
 
 


Enlaces externos

Referencias

  1. ↑ Richard J. Butler, Jin Liyong, Chen Jun, Pascal Godefroit (2011). «The postcranial osteology and phylogenetic position of the small ornithischian dinosaur Changchunsaurus parvus from the Quantou Formation (Cretaceous: Aptian–Cenomanian) of Jilin Province, north-eastern China». Palaeontology 54 (3): 667-683. doi:10.1111/j.1475-4983.2011.01046.x. 
  2. ↑ Michael J. Ryan, David C. Evans, Philip J. Currie, Caleb M. Brown and Don Brinkman (2012). «New leptoceratopsids from the Upper Cretaceous of Alberta, Canada». Cretaceous Research. in press. doi:10.1016/j.cretres.2011.11.018. 
  • Lindgren, J., Currie, P. J., Siverson, M., Rees, J., Cederström, P. & Lindgren, F. 2007. The first neoceratopsian dinosaur remains from Europe. Palaeontology, 50, 4, 929-937.
Esta página se editó por última vez el 18 feb 2023 a las 15:48.
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