Genus: Triufosaurus SOUZA CARVALHO, SALGADO, LINDOSO, de ARAUJO-JUNIOR, NOGUEIRA & SORES, 2017
Etymology: For the type-locality where the specimen comes from,Triunfo Basin, Triunfo County, Paraiba State, Brazil and Greek, sauros, "lizard."

Species: leonardii SOUZA CARVALHO, SALGADO, LINDOSO, de ARAUJO-JUNIOR, NOGUEIRA & SORES, 2017
Etymology: In honor of the paleontologist Giuseppe Leonardi, who dedicated greater part of his life to the study of the reptile ichnofauna from northeastern Brazil.

Holotype: UFRJ-DG 498

Locality: Areias Farm, Triunfo Basin, Triunfo County, Paraiba State, Brazil.

Horizon: Rio Piranhas Formation.

Biostratigraphy:

Age: Berriasian-Hauterivian Stage, Neocomian Subepoch, Lower Early Cretaceous Epoch, Early Cretaceous.

Material:

Breakdown as follows.

UFRJ-DG 498-K-R: 3 middle-posteior articulted caudal vertebrae.

UFRJ-DG-498-a-R: Right ischium.

UFRJ-DG-498--R, UFRJ-DG-498-d-R, UFRJ-DG-498-f-R: 2 isolated haemal arches.

UFRJ-DG-498-g-R, UFRJ-DG-498-h-R, UFRJ-DG-498-i0R: 3 isolated neural spines.