Sphenodontia

E Vicipaedia

Sphenodontia sive Rhynchocephalia (Guntherus, 1867) sunt reptilium ordo antiquissimum (a Triassico extans), qui hodie duabus tantum speciebus (sphenodon guntheri et sphenodon punctatus) constat.

[recensere] Cladistica

• Superordo lepidosauria
  • ordo squamata Oppel, 1811
  • ordo sphenodontia Williston, 1925
    • familia sphenodontidae
      • genus sphenodon Gray 1842
        • species † sphenodon diversum Colenso, 1885
        • species sphenodon Guntheri Buller, 1877
        • species sphenodon punctatus Gray 1831