Genus: Archaeodontosaurus BUFFETAUT,
2005
Etymology: Greek, archaios, "ancient," Greek, odous, "tooth," and Greek,
sauros, "lizard": Ancient tooth lizard.
Species: descouensi BUFFETAUT,
2005
Etymology: In honor of Dr. Didier Descouensis (Toulouse), thanks to whom the
specimen could be acquired by the Toulouse Natural History Museum and was made
available for scientific description.
Holotype: MNHDPal 2003-396
Locality: From the vicinity of Ambondromamy, 16°25'S, 47°8'E, a village located in the valley of the Camoro River, about 150 km SW of the coastal town of Mahajanga (Majunga), in the Majunga Basin, Mahajanga Province, Northwestern Madagasar.
Horizon: Isalo IIIB Formation.
Biostratigraphy:
Age: Bathonian Stage, Middle Dogger Epoch, Middle Jurassic.
Material: Incomplete right dentary containing several teeth.