-
Diapsids ("two arches") are a
clade of sauropsids,
distinguished from more
primitive eureptiles by the
presence of two holes,
known as
temporal fenestrae...
-
though not
diapsids in a
purely anatomical sense,
qualify as
members of the
clade Diapsida due to
their likely diapsid ancestry. Some
diapsids, particularly...
- in
synapsids (mammals and
their extinct relatives)
there is one; and in
diapsids (including birds, crocodilians, squamates, and tuataras),
there are two...
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Archosauria (lit. 'ruling reptiles') or
archosaurs (/ˈɑːrkəˌsɔːr/) is a
clade of
diapsid sauropsid tetrapods, with
birds and
crocodilians being the only extant...
- thus
defining Reptilia as a more
restricted crown group encomp****ing
diapsids and
parareptiles (apart from mesosaurs,
which he
considered to be the most...
- Hyperodapedon, a
diapsid reptile of the Tri****ic, c. 230 mya...
-
Sauria is the
clade of
diapsids containing the most
recent common ancestor of
Archosauria (which
includes crocodilians and birds) and
Lepidosauria (which...
-
modern paleontologists believe that the
Testudines are
descended from
diapsid reptiles that lost
their temporal fenestrae. More
recent morphological...
-
Araeoscelida is a
clade of
extinct amniotes (traditionally
classified as
diapsid reptiles)
superficially resembling lizards,
extending from the Late Carboniferous...
- for
theropod dinosaurs, is rare
among vertebrates in general, and
modern diapsid carnivores (including lizards, crocodiles, and birds)
rarely cooperate...
