-
designate the
clade that
includes most
pelycosaurs,
along with the
Therapsida and Mammalia. In
contrast to "
pelycosaurs",
Eupelycosauria is a
proper monophyletic...
-
commonly called "
pelycosaurs",
specifically within the Sphenacodontia, more than 279.5
million years ago. They
replaced the
pelycosaurs as the dominant...
- systematics, and non-therapsid
synapsids were also
referred to as
pelycosaurs, or
pelycosaur-grade synapsids.
These paraphyletic terms have now
fallen out...
- This list of
pelycosaurs is an
attempt to
create a
comprehensive listing of all
genera that have ever been
included in the
synapsida excluding therapsida...
- glaciation. Hot and dry climate. A
possible drop in
oxygen levels.
Synapsids (
pelycosaurs and therapsids)
become widespread and dominant,
while parareptiles and...
- from a "
pelycosaur"
ancestor (a
poorly defined group including all
synapsids which are not therapsids). The
therapsid takeover from
pelycosaurs took place...
-
drier climate that
followed the
rainforest collapse. For some reason,
pelycosaurs were able to
reach larger sizes before reptiles could, and this trend...
-
Sphenacodontia constitute a
transitional evolutionary series from
early pelycosaurs to
ancestral therapsids (which in turn were the
ancestors of more advanced...
-
constitutes the
larger Amniota clade.
Early synapsids are
referred to as "
pelycosaurs." The more
advanced therapsids became dominant during the Guadalupian...
- and Guadalupian, with the
decline of
amphibians and the
replacement of
pelycosaurs (a
paraphyletic group) with more
advanced therapsids,
although the decline...
