-
includes all
extant reptiles and therefore, birds).
Unlike other amniotes,
synapsids have a
single temporal fenestra, an
opening low in the
skull roof behind...
- PEL-ih-kə-sor) is an
older term for
basal or
primitive Late
Paleozoic synapsids,
excluding the
therapsids and
their descendants. Previously, the term...
- representatives.
Although early synapsids have
historically been
referred to as "mammal-like reptiles", all
synapsids are more
closely related to mammals...
-
These lists of
synapsids collectively include every genus that has ever been
included in the
clade Synapsida- the
mammals and
their evolutionary precursors...
- ; lit. 'two
measures of teeth') is an
extinct genus of
sphenacodontid synapsid that
lived during the
Cisuralian (Early Permian)
epoch of the
Permian period...
-
Sphenacodontia is a stem-based
clade of
derived synapsids. It was
defined by
Amson and
Laurin (2011) as "the
largest clade that
includes Haptodus baylei...
-
Therapsida is a
clade comprising a
major group of
eupelycosaurian synapsids that
includes mammals and
their ancestors and
close relatives. Many of the...
-
early synapsids,
found in Joggins, Nova Scotia. The name
means 'first Clepsydrops', and
refers to it
being the
predecessor of the
other early synapsid Clepsydrops...
-
Caseasauria is one of the two main
clades of
early synapsids, the
other being the Eupelycosauria.
Caseasaurs are
currently known only from the Late Carboniferous...
-
These extended margins of
thinned bone are
called supratemporal fossae.
Synapsids,
including mammals, have one
temporal fenestra,
which is
ventrally bordered...
