Genus: Macroplacus SCHUBERT-KLEMPNAUER, 1975
Etymology: Greek, mykros, “long, large”, Greek, plac- (plax), “broad, flat surface” + -us: Long flat tooth.

Species: raeticum SCHUBERT-KLEMPNAUER, 1975 emend PINNA, 1978
Etymology:
= Macroplacus raeticus SCHUBERT-KLEMPNAUER, 1975
= Psephoderma raeticus (SCHUBERT-KLEMPNAUER, 1975) PINNA, 1978

Holotype: BSP 1967 I 324.

Locality: Hinterstein, (Sonthofen), Allagu (Top. Karte 1:25 000 Blatt Nr. 8528 Hinterstein, R 06250, H 60375) Bergsturz fon 1965, NNW-Teil, 30 Meter from Bachsohle, Bayern (Bavaria) State, Germain Alps.

Horizon: Kossener Schichten.

Biostratigraphy:

Age: Rhaetian Stage, Uppermost Late Triassic Epoch, Late Triassic.

Material: Skull missing anterior tip.