-
skull is
little modified in
tetanurans,
except within Spinosauridae. The
presence of an
antorbital tooth row in
tetanurans may be ****ociated with macropredatory...
-
large theropod dinosaurs. They were a
relatively primitive group of
basal tetanurans containing two main subfamilies,
Megalosaurinae and Afrovenatorinae, along...
- an
intriguing combination of
derived tetanuran synapomorphies and
primitive features shared with non-
tetanurans,
which suggest they
occupy a
basal position...
- compsognathid-like teeth.
Megaraptorans were
originally placed as
basal tetanurans as part of the
family Neovenatoridae within the
allosauroid clade Carcharodontosauria...
-
these were
features ancestral to
neotheropods and were lost in
basal tetanurans.
Averostrans and
their close relatives are
united via the
complete loss...
- the Late Jur****ic of
North America Skeleton of Monolophosaurus, a
basal tetanuran from the
Middle Jur****ic of
China Restoration of Yi qi, a scansoriopterygid...
- with
those of more
advanced tetanurans, but
ultimately concluded that it was
itself the
earliest known member of the
tetanuran group.
While a subsequent...
- Coelurosauria.
Modern cladistic analysis defines Carnosauria as
those tetanurans sharing a more
recent common ancestor with
Allosaurus than with modern...
- medius. The
referral was not
accepted in the most
recent review of
basal tetanurans, and
Allosaurus medius was
simply listed as a
dubious species of theropod...
-
types of dinosaurs—the heterodontosaurids, scelidosaurs, stegosaurs, and
tetanurans—appeared, and
joined those groups like the coelophysoids, prosauropods...
