Genus: Graoullyodon GODEFROIT & CUNY, 1997
Etymology: Graoully, mythical monster of the Metz area (see Bellard 1965-66) for a historical study of Graoully legend) and Greek, odous, “tooth”: Graoully tooth.

Species: hacheti GODEFROIT & CUNY, 1997
Etymology: In honor of Dr. Michael Hachet, Curator of the Musee municipal de Toul, who so kindly receive our team during the excavations at Saint-Nicolas-de-Port.

Holotype: IRSNB R201

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

Horizon:

Biostratigraphy:

Age: Late Norian or Early Rhaetian Stage, Upper Late Triassic Epoch, Late Triassic.

Material: Tooth.

Paratypes:

IRSNB 28114/149, 28114/35: Teeth.