-
Megalosauroidea (meaning 'great/big
lizard forms') is a
superfamily (or clade) of
tetanuran theropod dinosaurs that
lived from the
Middle Jur****ic to the...
- (about 160
million years old), for example,
because neanderthals and
megalosaurs lived during different geological periods,
separated by
millions of years...
-
emerged during the
Middle Jur****ic, (including cetiosaurs, brachiosaurs,
megalosaurs and
primitive ornithopods).
Descendants of the therapsids, the cynodonts...
- birds.
Initial cladistics studies supported the
arrangement of
primitive megalosaurs as
serial outgroups to a
clade of allosaurids,
followed by the Coelurosauria...
- were no
fewer than four
distinct lineages of theropods—ceratosaurs,
megalosaurs, allosaurs, and coelurosaurs—preying on the
abundance of
small and large...
- Africa.
Afrovenator represents the only
properly identified Gondwanan megalosaur, with
proposed material of the
group present in the Late Jur****ic on Tacuarembó...
-
phylogeny focussing on
basal tetanurans, and its
implications for
European '
megalosaurs' and
Middle Jur****ic
dinosaur endemism.
Journal of
Vertebrate Paleontology...
- (the hallux) was kept off the ground.
Welles thought Dilophosaurus a
megalosaur in 1954, but
revised his
opinion in 1970
after discovering that it had...
-
Early Cretaceous was
dominated by more
basal tetanurans, such as the
megalosaurs and allosaurs, with
tyrannosaurids themselves only
taking over after...
-
observation conditions. It
includes levels with the
oldest footprints of
megalosaurs (bipedal and
carnivorous dinosaurs)
described in
Portugal and
whose first...
