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Cetiosauridae

Cetiosauridae
Rango temporal: 175 Ma - 150 Ma
Jurásico inferior - Jurásico Superior

Recreación de un Cetiosaurus
Taxonomía
Reino: Animalia
Filo: Chordata
Clase: Sauropsida
Superorden: Dinosauria
Orden: Saurischia
Suborden: Sauropodomorpha
Infraorden: Sauropoda
(sin rango): Eusauropoda
Familia: Cetiosauridae
Lydekker, 1888
Subgrupos[1]

Los cetiosáuridos (Cetiosauridae, "reptiles ballenas") es una familia inactiva de dinosaurios saurópodos que vivieron en el Jurásico inferior y el medio (hace aproximadamente 185 y 162 millones de años, entre el Toarciano y el Bajociano), en lo que es hoy Europa, África, la India, Sudamérica y Norteamérica.

Descripción

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Los cetiosáuridos eran saurópodos pesados que no presentaban espacios huecos en sus vértebras para aligerar el peso. Además no podían erguirse sobre sus patas traseras como los saurópodos posteriores.

Sistemática

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Se los clasifica como los saurópodos más cercanamente emparentados con los cetiosaurios que con el saltasaurio.

Referencias

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  1. Holtz, Thomas R. Jr. (2012) Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages, Winter 2011 Appendix.

Enlaces externos

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Cetiosauridae
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