-
Sphenacodontidae (Gr****: "wedge
point tooth family") is an
extinct family of
sphenacodontoid synapsids.
Small to large, advanced, carnivorous, Late Pennsylvanian...
- the
group Sphenacodontoidea,
which in turn
contains Sphenacodontidae and Therapsida.
Sphenacodontidae is the
group containing Dimetrodon and
several other...
- †Kenomagnathus †Tetraceratops †Palaeohatteriidae
Sphenacodontoidea †Shashajaia †
Sphenacodontidae Therapsida Sphenacodontia in a
cladogram after Fröbisch et al., 2011:...
-
clade that is
defined to
include the most
recent common ancestor of
Sphenacodontidae and
Therapsida and its
descendants (including mammals). Sphenacodontoids...
-
Ophiacodontidae Family Edaphosauridae Infraorder Sphenacodontia Family Sphenacodontidae Order Therapsida Evolution of
mammals List of
pelycosaurs Vertebrate...
-
postcranial characters used by
Benson (2012) to
unite Caseasauria with
Sphenacodontidae and
Edaphosauridae were
absent in the
newly discovered postcranial...
-
Secodontosaurus is a
carnivorous member of the
Eupelycosauria family Sphenacodontidae and has a
similar tall
dorsal sail. However, its
skull is long, low...
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Sphenacodon was a
carnivorous member of the
Eupelycosauria family Sphenacodontidae. However,
Sphenacodon had a low
crest along its back,
formed from blade-like...
-
Steppesaurus is an
extinct genus of
basal Eupelycosauria belonging to the
Sphenacodontidae,
related to
Dimetrodon and Sphenacodon, from the Late
Permian San Angelo...
-
place Cutleria outside Sphenacodontidae, as the
sister taxon of
Sphenacodontoidea (which is the node "Therapsida +
Sphenacodontidae"). The
cladogram below...
