Genus: Mixosaurus BAUR, 1887
Etymology: Greek, mixis, “mixture”, and Greek, sauros, “lizard”: Mixture lizard.

Species: cornalianus (BASSANI, 1886)
Etymology:

BRINKMANN, 1996

Neotype: PIMUZ T4830

Locality: Site Punkt 902, Monte San Giorgio, Tessin Canton, Switzerland.

Horizon: Besano Formation.

Biostratigraphy: Grenzbitumenzone.

Age: Anisian/Ladinian Stage boundary, Mid Triassic Epoch, Middle Triassic.

Material: Fragmentary skull, and fragmentary skeleton of a female with 3 fragmentary embryos.

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Sp

HUENE, 1916, MASSARE & CALLAWAY, 1988

Locality: Monte San Georgio, Tessin Canton, Switzerland.

Horizon:

Biostratigraphy:

Age: Middle Triassic.

Material:

Number: Not given: Skeleton and 1 embryo.