Genus: Cargninia BONAPARTE, SCHULTZ, SOARES & MARTINELLI, 2010
Etymology: In honor of Padre Daniel Cargnin, a collector of fossils from the Triassic of Brazil.
Species: enigmatica BONAPARTE, SCHULTZ, SOARES & MARTINELLI,
Etymology: Latin, aenigmaticus, "like an enigma, obscure, enigmatic": In reference to its dubious taxonomic assigniment.
Locality: Linha Sao Luiz Locality, an abandoned quarry located 1.5 km northwest of downtown do Soturno Faxinal, 53°30'23"E, 29°34'08"S, near Barrio Santo Antonino, Faxinal do Soturno, Rio Grande do Sul State, Brazil.
Horizon: Caturrita Formation.
Biostratigraphy: Icidosaur Assemblage Zone.
Age: Adamanian, Lower Coloradian age, Late Carnian-Early Norian Stage, Late Triassic Epoch, Late Triassic.
Material: Fragmentary dentary with teeth.