-
Diapsids ("two arches") are a
clade of sauropsids,
distinguished from more
primitive eureptiles by the
presence of two holes,
known as
temporal fenestrae...
- branch, of the
reptilian family tree,
typically defined as
including all
diapsids apart from some
early primitive types known as the araeoscelidians. Modern...
-
aquatic or
semiaquatic marine reptiles of
uncertain placement within the
diapsid clade. One subgroup, the thalattosauroids, are
known for
their unusual...
-
synapsids (mammals and
their extinct relatives)
there is one, and most
diapsids (including birds, crocodilians, squamates, and tuataras), have two. Turtles...
-
Archosauria (lit. 'ruling reptiles') is a
clade of
diapsid sauropsid tetrapods, with
birds and
crocodilians being the only
living representatives. Archosaurs...
-
though not
diapsids in a
purely anatomical sense,
qualify as
members of the
clade Diapsida due to
their likely diapsid ancestry. Some
diapsids, particularly...
-
modern paleontologists believe that the
Testudines are
descended from
diapsid reptiles that lost
their temporal fenestrae. More
recent morphological...
- as part of Archelosauria,
Sauria can be
considered the
crown group of
diapsids, or
reptiles in general.
Depending on the systematics,
Sauria includes...
- thus
defining Reptilia as a more
restricted crown group encomp****ing
diapsids and
parareptiles (apart from mesosaurs,
which he
considered to be the most...
-
found turtles to
either be
descendants of parareptiles, early-diverging
diapsids outside of Sauria, or
close relatives of
lepidosaurs within the
clade Ankylopoda...
