Genus: Microleptosaurus SKUPHOS, 1893 (nomen dubium)
Etymology: Greek, mikros, “small,” Greek, leptos, “slender” and Greek, sauros, “lizard”: Small slender lizard.
= Microcleptosaurus ROMER, 1966 (sic)
= Microcletosaurus TATARINOV & NOVOZHILOV (in ORLOV, 1964) (sic)

Species: schlosseri SKUPHOS, 1893 (nomen dubium)
Etymology:

Holotype:

Locality: Vorarlberg, Northern Calcareous Alps, Western Austria.

Horizon: Partnachschichten.

Biostratigraphy:

Age: Ladinian Stage, Upper Mid Triassic Epoch, Middle Triassic.

Material: Ribs.