- 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...
- Abstracts: 160. John W.
Merck (1997). "A
phylogenetic analysis of the
euryapsid reptiles".
Journal of
Vertebrate Paleontology. 17 (Supplement to 3): 1–93...
-
vascular openings at the underside. The
skull of
plesiosaurs showed the "
euryapsid" condition,
lacking the
lower temporal fenestrae, the
openings at the...
- that the
lower temporal opening is missing,
giving the
appearance of a
euryapsid skull, and
originally the
Trilophosaurs were
classified with placodonts...
- the top of the back of the skull, an
arrangement that is
known as the
euryapsid condition and seen
throughout Sauropterygia, the
marine reptile group...
-
Paleontological Society. John W.
Merck (1997). "A
phylogenetic analysis of the
euryapsid reptiles".
Journal of
Vertebrate Paleontology. 17 (Supplement to 3): 65A...
- that the
lower temporal opening is missing,
giving the
appearance of a
euryapsid skull.[citation needed]
Because of this, the
trilophosaurs were once classified...
