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Sphenacodontidae (Gr****: "wedge
point tooth family") is an
extinct family of
sphenacodontoid synapsids.
Small to large, advanced, carnivorous, Late Pennsylvanian...
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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:...
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clade that is
defined to
include the most
recent common ancestor of
Sphenacodontidae and
Therapsida and its
descendants (including mammals). Sphenacodontoids...
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Ophiacodontidae Family Edaphosauridae Infraorder Sphenacodontia Family Sphenacodontidae Order Therapsida Evolution of
mammals List of
pelycosaurs Vertebrate...
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postcranial characters used by
Benson (2012) to
unite Caseasauria with
Sphenacodontidae and
Edaphosauridae were
absent in the
newly discovered postcranial...
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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...
- †
Sphenacodontidae Therapsida...
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least 6 m (20 ft) and more than 500 kg (1,100 lb).
Sphenacodontids (
Sphenacodontidae) The
biggest carnivorous synapsid of
Early Permian was Dimetrodon,...
