-
considered to be the
sister group to all (currently known)
later diapsids.
Araeoscelidians were
small animals (less than one
meter in length)
looking somewhat...
-
their skulls. The
earliest traditionally identified diapsids, the
araeoscelidians,
appeared about three hundred million years ago
during the late Carboniferous...
- this tree,
parareptiles include turtles and are
closely related to non-
araeoscelidian diapsids. The
family Varanopidae,
otherwise included in Synapsida, is...
-
Halgaitosaurus is an
extinct genus of
araeoscelidian reptile from the late
Pennsylvanian of Utah. It
contains a
single species,
Halgaitosaurus gregarius...
-
Zarcasaurus tanyderus is a
species of
araeoscelidian tetrapods found in the
Cutler Formation (Early Permian) of New Mexico. The only
elements of the skeleton...
-
Genus Species Notes Images Araeoscelis A.
grandis An
araeoscelidian diapsid Captorhinus C.
aguti A
captorhinid Ectocynodon E.
incisivus Junior synonym...
-
Permian diapsids which linked the most
basal ("primitive")
diapsids (
araeoscelidians such as Petrolacosaurus) to more
derived ("advanced") diapsids, including...
- Formation.
Preliminary study of the
specimen tentatively considered it an
araeoscelidian diapsid reptile, but a 2019
study by
Frederik Spindler, Ralf Werneburg...
-
Species Localities Notes Images Araeoscelis A.
casei Godwin Cr**** An
araeoscelidian initially named as a new genus, Ophiodeirus.
Bolosaurus B. striatus...
- as more
derived than
captorhinids and Hylonomus, but less so than
araeoscelidians.
Anthracodromeus is the
earliest known reptile to
display adaptations...