Origen de Archosauria y evolución de los Crurotarsi
Origen de Archosauria y evolución de los Crurotarsi
Origen de Archosauria y evolución de los Crurotarsi
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Archosauromorpha: ACMR <strong>de</strong> protorosauria, archosauria y todos sus <strong>de</strong>scendientes<br />
PROLACERTIFORMES: Like early Lepidosauromorphs in<br />
reduction of temporal bar; squamosal reduced or ventral process<br />
that preclu<strong>de</strong>s streptostyly; agile terrestrial predators. Also<br />
inclu<strong>de</strong>s Tanystropheus, with very long neck composed of only<br />
6-7 vertebrae but twice length of trunk & relatively immobile,<br />
limbs poorly ossified; apparantly ate cephalopods.<br />
Prolacerta
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