Megalocephalus

Megalocephalus
Temporal range: Late Carboniferous,
Skull diagram of Megalocephalus pachycephalus in dorsal view (left) and ventral view (right)
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Sarcopterygii
Clade: Tetrapodomorpha
Family: Baphetidae
Subfamily: Loxommatinae
Genus: Megalocephalus
Barkas, 1873
Type species
Orthosaurus pachycephalus
Barkas, 1873
Species
  • Megalocephalus pachycephalus (Barkas, 1873)
  • Megalocephalus lineolatus (Cope, 1877)
Synonyms
Synonyms of M. pachycephalus
  • Pteroplax brevicornis
    Thomas & Young, 1870
  • Orthosaurus pachycephalus
    Barkas, 1873
  • Megalocephalus macromma
    Barkas, 1873
  • Orthosauriscus pachycephalus
    (Kuhn, 1933)
  • Megalocephalus brevicornis
    (Romer, 1947)
Synonyms of M. lineolatus
  • Leptophractus lineolatus
    Cope, 1877
  • Anisodexis Cope, 1882

Megalocephalus (meaning "big head") is an extinct genus of baphetid tetrapodomorph from the late Carboniferous (Westphalian A-C) of the British Isles and the United States (Ohio). It contains two species, M. pachycephalus and M. lineolatus.