- Late Jur****ic,
Ceratosaurus nasicornis, was the
first ceratosaur to be discovered.
Ceratosaurs are
generally moderately large in size, with some exceptions...
-
later placed as a
sister taxon to the
clade containing dilophosaurids,
ceratosaurs, and tetanurans.
Shared tetanuran features include a
ribcage indicating...
- those—the
ceratosaurs, coelurosaurs, and allosaurs—survived to end of the period,
where they were
geographically separate, the
ceratosaurs and allosaurs...
-
Masiakasaurus was a
member of the
group Noasauridae,
small predatory ceratosaurs found primarily in
South America.
Remains of
Masiakasaurus have been...
-
proportionally shorter than that of
other ceratosaurs,
broader than is tall, and spool-shaped. Like in
other ceratosaurs, the back face of the
vertebra where...
- have
found it to be more primitive,
possibly related to the
primitive ceratosaurs Elaphrosaurus and Limusaurus. A more
comprehensive study of noasaurid...
- dinosaurs, came in
several different types. The less
derived types, the
ceratosaurs and megalosaurids,
included Ceratosaurus nasicornis, C. dentisulcatus...
-
originally included Coelophysoidea) †Ceratosauridae (
ceratosaurs with
large teeth) †Abelisauroidea (
ceratosaurs exemplified by
reduced arms and hands) †Abelisauridae...
-
American tyrannosaurids.
Abelisaurid hind
limbs were more
typical of
ceratosaurs, with the
astragalus and
calcaneum (upper
ankle bones)
fused to each...
-
clade Tetanurae than to more
basal (or "primitive")
theropods such as
ceratosaurs, due to
shared features (synapomorphies) in the legs, skull, and pelvis...
