Species: brachybuccalis BONAPARTE, 1991
Etymology:

Holotype: MUCP v 202

Locality: Northern area of Neuquen City, Neuquen Province Argentina.

Horizon: Bajo de la Carpa Formation, Lower Rio Colorado Subgroup, Upper Neuquen Group.
(was Bajo de La Carpa Member? Rio Colorado Formation, Neuquen Group.)

Biostratigraphy: Coloradoan Tetrapoda Assemblage.

Age: Santonian-Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material: Fragmentary skull and fragmentary dentary.

Referred material:

BONAPARTE, 1996

MACN-N 30: Skull with only the preorbital region and anterior portion of both dentaries.

MACN-N 31: A second preorbital region of the skull and incomplete dentaries.

 

MARTINELLI, 2000, 2003

Locality: Chacra La Isla-Paso Cordova locality, Rio Negro Province, Patagonia, Argentina.

Horizon: Bajo La Carpa Formation, Rio Colorado Subgroup, Neuquen Group.

Biostratigraphy: Coloradoan Tetrapoda Assemblage.

Age: Santonian-Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

P 6131 MOZ: Fragmentary skull with articulated incomplete lower jaws.

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Species: bonapartei KELLNER, FIGUEIREDO & CALVO, 2023
Etymology: In honor of Jose Fernando Bonaparte (1928-2020) in recognition of his contributions to South American Palaeontology.
= Genus: Nova CALVO, PORFIRI, GONZALEZ-RIGA & KELLNER, 2007

Holotype: MUCPv 597

Locality: Futalognko Quarry, north coast of Barreales Lake, Neuquen Province, Patagonia, Argentina.

Horizon: Portezuelo Formation, Upper Rio Neuquen Subgroup, Middle Neuquen Group.
(was Portezuelo Member, Rio Neuquen Formation.)

Biostratigraphy:

Age: Neuquenian Tetrapoda Assemblage, Upper Turonian or Coniacian Stage, Lower Senonian Subepoch, Lower Gulf Epoch, Early Late Cretaceous.

Material: A partially preserved (cranial-most region) of the right mandible.