Mastodonsauridae

Mastodonsaurids; Temporal range: Triassic
	Skull of Heptasaurus cappelensis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Order:	†Temnospondyli
Suborder:	†Stereospondyli
Clade:	†Capitosauria
Superfamily:	†Mastodonsauroidea
Family:	†Mastodonsauridae; Lydekker, 1885
Genera
	†Abiadisaurus; †Bukobaja; †Capitosaurus; †Cherninia; †Cyclotosaurus; †Eryosuchus; †Heptasaurus; †Jammerbergia; †Kestrosaurus; †Kupferzellia; †Mastodonsaurus; †Paracyclotosaurus; †Parotosuchus; †Promastodonsaurus; †Rhadalognathus; †Sassenisaurus; †Stanocephalosaurus; †Subcyclotosaurus; †Volgasaurus; †Volgasuchus; †Wetlugasaurus; †Xenotosuchus;
Synonyms
	Capitosauridae Watson, 1919;

Mastodonsauridae is a family of capitosauroid temnospondyls. Fossils belonging to this family have been found in North America, Greenland, Europe, Asia, and Australia. The family Capitosauridae is synonymous with Mastodonsauridae.

Mastodonsaurids Temporal range: Triassic

Skull of Heptasaurus cappelensis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Order:	†Temnospondyli
Suborder:	†Stereospondyli
Clade:	†Capitosauria
Superfamily:	†Mastodonsauroidea
Family:	†Mastodonsauridae Lydekker, 1885
Genera
†Abiadisaurus †Bukobaja †Capitosaurus †Cherninia †Cyclotosaurus †Eryosuchus †Heptasaurus †Jammerbergia †Kestrosaurus †Kupferzellia †Mastodonsaurus †Paracyclotosaurus †Parotosuchus †Promastodonsaurus †Rhadalognathus †Sassenisaurus †Stanocephalosaurus †Subcyclotosaurus †Volgasaurus †Volgasuchus †Wetlugasaurus †Xenotosuchus
Synonyms
Capitosauridae Watson, 1919