Genus: Gaumia HAHN, WILD & WOUTERS, 1987
Etymology: In reference to the Gaume region, Luxembourg Province, southeastern Belgium.

Species: longiradicata HAHN, WILD & WOUTERS, 1987
Etymology:

Holotype: IRSNP “R.M.35”

Locality: Side of the speedway E.25-E411, at Habay-la-Vielle, Lorraine, Belgium.

Horizon: Bone-bed “HLV-2”, Gres de Mortinsart, Rhatic.

Biostratigraphy:

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

Material: Teeth.

Paratype: IRSNB “R.M.36”: Tooth.

Hypotypes:

GODEFROIT & BATTAIL, 1997

Locality: Quarry at Rosieres-aux-Salines, region of Saint-Nicoals-de-Port, Meurthe-et-Moselle Department, France.

Horizon: “Rhaetian” Sandstone.

Biostratigraphy:

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

Material: IRSNB R165, R166, 28114/047, 28114/055, 28114/088, 28114/090, 28114/093, 28114’646, 28114’982, ?IRSNP 28114/771, MNHP SNP131L, SNP430W: Teeth.
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Species: ? incisa HAHN, WILD & WOUTERS, 1987
Etymology:

Holotype:

Locality: Saint-Nicolas-de-Port, Meurthe-et-Moselle Department, France.

Horizon: Rhatic.

Biostratigraphy:

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

Material: Teeth.

Referred material:

Cf. incsia CUNY, GODEFROIT & MARTIN, 1995

Locality: Rinckebierg, Medernach, Luxemburg.

Horizon:

Biostratigraphy:

Age: Norian Stage, Middle Late Triassic Epoch, Late Triassic.

Material:

IRSNB R135, 27825/12D, ?/491: Teeth.