Genus: Hypselorhachis CHARIG, 1967 emend BUTLER, BARRETT, ABEL & GOWER, 2009
Etymology: Greek, hypselos, "high" and Greek, rhachis, "spine or backbone."

Species: mirabilis CHARIG, 1967 emend BUTLER, BARRETT, ABEL & GOWER, 2009
Etymology: Latin, mirabilis, "wonderful or strange."
= Hypselorhachis mirabilis CHARIG, 1967 (nomen nudum)

Holotype: NHM R16586

Locality: Field locality U11/2, Ruhuhu valley, southwestern Tanzania, Tanganyika, East Africa.

Horizon: Liufa Member, Manda Formation.

Note: Correlated with subzone C of the Cynognathus Assemblage Zone of the Beaufort Group.

Biostratigraphy:

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

Material: Anterior dorsal vertebra.