Species: defrennei HOFFSTETTER, 1960
Holotype: Lab. Paleont. Mus. No. 1959-11
Locality: 30 km SSE of Ohanet, 120 km NW of Edjeleh, In Akhamil, border of Tinrhert, Sahara, Algeria.
Age: Cenomanian Stage, Upper Gallic subepoch, Lowest Gulf Epoch, Late Early to Early Middle Cretaceous.
Material: 3 vertebrae.
Species: ragei VULLO, 2019,
Etymology: In honor of Vullo's late friend and colleague Jean-Claude Rage, who first suggested that the material studied may belong to Lapparentophis, and in recognition of his innumberable and invaluable contributions to palaeoherpetology and palaeobiogeography.
Locality: El Begaa locality near Taouz, Kasr-es Souk Province, southeastern Morocco.
Horizon: Kem Kem beds, Ifezouane Formation.
Age: Albian Stage, Middle Gallic Subepoch, Late Early Cretaceous Epoch, Early Cretaceous-early Cenomanian Stage, Middle Gallic Subepoch, Lower Gulf Epoch, Middle Cretaceous.
Material: Nearly complete trunk vertebra.
MNHM.KK388: Nearly complete trunk vertebra.