Amphibia - Temnospondyli - Mastodonsauridae
Synonym: Capitosauridae Watson 1919 [objective synonym]
Parent taxon: Capitosauroidea according to M. Moser and R. Schoch 2007
See also Carroll 1988, Damiani 2001, Damiani and Rubidge 2003, Haughton 1925, Hay 1902, Kuhn 1946, Kuhn 1971, Schoch 1999, Shishkin et al. 2000, Shishkin et al. 2004, Sulej and Niedźwiedzki 2011, Warren and Hutchinson 1988, Watson 1919 and Yates and Warren 2000
Sister taxa: Antarctosuchus, Benthosuchidae, Bogdania fragmenta, Capitosauroides, Cyclotosauridae, Cyclotosaurus albertyni, Deltacephalidae, Eocyclotosaurus, Eryosuchidae, Eryosuchus, Mastodonsaurus, Mastodonsaurus silesiacus, Meyerosuchus, Odenwaldia, Paracyclotosauridae, Paracyclotosaurus, Parotosaurus turfanensis, Parotosuchidae, Parotosuchus, Rewanobatrachus, Yarengiidae, Heylerosauridae, Abiadisaurus, Promastodonsaurus, Mentosaurus, Yarengia
Subtaxa: Archotosaurus Bulgosuchus Capitosaurus arenaceus Capitosaurus bogdoanus Capitosaurus polaris Cherninia Cyclotosaurus spitzbergensis Heptasaurus Jammerbergia Kestrosaurus Komatosuchus Labyrinthodon lavisi Mastodonsaurus vaslenensis Odontosaurus Parotosuchus dirus Selenocarinae Stenotosaurus Subcyclotosaurus Tatrasuchus Trochanterium Wellesaurus Xenotosuchus Xestorrhytias perrini
Type: Mastodonsaurus
Ecology: amphibious carnivore
Distribution:
• Triassic of Australia (3 collections), Austria (1), Canada (1: Nova Scotia), France (2), Germany (9), Greenland (2), India (1), Lesotho (1), Namibia (1), Poland (2), the Russian Federation (8), South Africa (18), Svalbard and Jan Mayen (5), the United Kingdom (6), United States (3: Arizona), Uruguay (1), Zambia (1)
Total: 65 collections including 67 occurrences