Species: bonapartei FERNANDEZ, 1997
Etymology: In honor of Dr. Jose Bonaparte, who has done extensive work on Mesozoic Reptiles and who discovered the type specimen.

Holotype: MACN-N.-32

Locality: Cerro Lotena (39°11’40:S, 69°40’03”W), Neuquen Province, Northwestern Patagonia, Argentina.

Horizon: Vaca Muerta Formation.

Biostratigraphy: Virgatosphinetes mendozanus Zone.

Age: Lower Tithonian Stage, Upper Malm Epoch, Late Jurassic.

Material: Anterior part of a skeleton incomplete beyond vertebra 53, except on it’s left side.

Referred material:

FERNANDEZ, 2007

MLP 85-I-14-1: Preorbital portion of skull.

 

 

Locality: Chacay Melelhue, 37°17’20”L.S, 70°45”L.O, Los Catutos, Neuquen Province, Patagonia, Argentina.

Horizon: Vaca Muerta Formation.

Biostratigraphy:

Age: Late Tithonian Stage, Upper Malm Epoch, Late Jurassic.

Material:

MOZ 6097: Complete skull and mandible.

 

Locality: Yesera del Tromen, Neuquen Province, Northwestern Patagonia, Argentina.

Horizon: Vaca Muerta Formation.

Biostratigraphy:

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

Material:

MOZ-P6139: Skull and vertebrae.

FERNADEZ, 2007

Tril 20-IX-97-1: Partial skull, humerus, proximal carpus, part of the vertebral column and associated ribs.

 

= Ophthalmosaurus sp GASPARINI & GONI, 1990

Locality: Cerro Lotena, Zapala, Neuquen Province, Patagonia, Argentina.

Horizon:

Biostratigraphy:

Age: Tithonian Stage, Upper Malm Epoch, Late Jurassic.

Material:

MLP 83-XI-15-1: Skull and dentary.

 

= Ophthalmosaurus sp

Locality: Sierra de Reyes, Mendoza Province, Argentina.

Horizon:

Biostratigraphy:

Age: Tithonian Stage, Upper Malm Epoch, Late Jurassic.

Material:

MLP 83-XI-16-1: Fragmentary skull and skeleton of a 3 m long animal. Approximately 48 semiarticulated vertebrae, associated ribs, proximal part of the right forefin with humerus, partial pectoral girdle and complete hindlimb.

 

FERNANDEZ, 1998
= Ophthalmosaurus sp GASPARINI & FERNANDEZ, 1997

Locality: Chacay Melelhue, 37°17’20”L.S, 70°45”L.O, Los Catutos, Neuquen Province, Patagonia, Argentina.

Horizon: Vaca Muerta Formation.

Biostratigraphy:

Age: Late Tithonian Stage, Upper Malm Epoch, Late Jurassic.

Material:

MLP 85-I-15-1: Skull and mandible, humerus and fin elements.