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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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RAUISUCHIA<br />

llegaron
a
medir
12
metros,
cráneos
tan
gran<strong>de</strong>s
como
Tyrannosaurus
rex

<br />

antorbital fenestra tends to be keyhole-shaped; ribs with anterolaterally projecting flange on proximal<br />

portion; ilium low; acetabulum faces ventrally; supraacetabular crest present; osteo<strong>de</strong>rms not<br />

sculptured (reversal)

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