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Secodontosaurus
Temporal range: Permian
Secodontosaurus.JPG
An artist's illustration of Secodontosaurus obtusidens
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Family: Sphenacodontidae
Genus: Secodontosaurus
Romer, 1936
Type species
Secodontosaurus obtusidens
Cope, 1878
Referred species
  • Secodontosaurus willistoni (Romer, 1936)

Secodontosaurus was a Pelycosaur Synapsid from early Permian Texas, USA.