Species: dentatus LEHMAN, 1966
Etymology: Latin, dentatus, "toothed."
Holotype: MNHN MAE3037
Locality: Near Iraro, Ankitokazo Basin, Ambilobe Region, Diego Suarez Province,Madagascar.
Horizon: Middle Sakamena Formation, Middle Sakamea Beds.
Biostratigraphy:
Age: Olkenekian stage, upper Scythian Epoch, Early Triassic.
Material: Fragmentary skull.
Referred material:
MNHN MAE3031a, b: Isoalted posterior palate, com0prising teh parasphenoid plus pterygoids.
MNHN MAE3049: Complete right hemimandible of a very lage individual.
MANHN MAE3050: Fragmentary skull of a large individual.
MHNHN RHMA03: Partial skull roof and part of the manible in articualtion.
MSNM V2995: Partial skull of a small individual.
MSNM V6238 (cast): Fragmentary small skull.
MSNM V6239 (cast): Almost complete dorsla surface of roof and several parts of palate.
= Mahavisaurus australis (LEHMAN, 1966) COSGRIFF & ZAWISKIE, 1979
Etymology: Latin, australis, "southern, to the south."
= Lyrosaurus australis LEHMAN, 1966Holotype: MNHN MAE 3038
Locality: Ambatobe, Madagascar.
Horizon: Middle Sakamena Formation.
Biostratigraphy:
Age: Induan stage, upper Scythian Epoch, Early Triassic.
Material: Fragmentary skull.