Genus: Besanosaurus DAL SASSO, & PINNA, 1996
Etymology: From the village of Besano, Varese Province, Lombardy, North Italy and Greek, sauros, “lizard”: Besano lizard.

Species: leptorhynchus DAL SASSO, & PINNA, 1996
Etymology: Greek, leptos, “thin, slender” and Greek, rhynchos, “snout”: Slender snout.

Holotype: Museum of Natural History of Milan, BES SC 999

Locality: Sasso Caldo Quarry, Besano, Varese Province, Lombardy, North Italy.

Horizon: Besano Formation.

Biostratigraphy: Nevadites Zone sensu Brack & Rieber, 1993.

Age: Uppermost Anisian Stage, Lower Mid Triassic Epoch, Middle Triassic.

Material: Complete skull and complete skeleton.