- the post-orbital and
squamosal bones. It is now
commonly believed that
euryapsids (particularly sauropterygians) are in fact
diapsids (which have two fenestrae...
-
squamosal bones).
Euryapsids are a
polyphyletic group, as
reptiles with
euryapsid skulls lack a
shared common ancestor.
Euryapsids evolved from a diapsid...
- were, at times,
considered to have
arisen independently of the
other euryapsids, and
given the
older name Parapsida.
Parapsida was
later discarded as...
- dinosaurs, birds, lizards,
snakes and
turtles Subclass Euryapsida –
euryapsids Subclass Synapsida – synapsids,
including mammal-like reptiles-now a separate...
-
vascular openings at the underside. The
skull of
plesiosaurs showed the "
euryapsid" condition,
lacking the
lower temporal fenestrae, the
openings at the...
- in 1997 by John
Merck showing them to be
monophyletic archosauromorph euryapsids. This has been
contested over the years, with the
Euryapsida being seen...
- Abstracts: 160. John W.
Merck (1997). "A
phylogenetic analysis of the
euryapsid reptiles".
Journal of
Vertebrate Paleontology. 17 (Supplement to 3): 1–93...
-
publications from the mid-20th
century argued that "protorosaurs" were "
euryapsids" (reptiles with only an
upper temporal fenestra)
related to sauropterygians...
-
Paleontological Society. John W.
Merck (1997). "A
phylogenetic analysis of the
euryapsid reptiles".
Journal of
Vertebrate Paleontology. 17 (Supplement to 3): 65A...
- only the
upper temporal opening remains, thus
resulting in a
derived euryapsid condition.
Araeoscelidia includes well-known
genera such as Araeoscelis...
