Genus: Nova? (= Aristonectinae gen. et. sp indet.O'GORMAN, GASPARINI & SALGADO, 2014)
= Tuarangisaurus non WIFFEN & MOISLEY, 1986

Species: ?cabazai GASPARINI, SALGADO & CASADIO, 2003
Etymology: In honor of Mr Hector Cabaza, who has discovered numerous Cretaceous animals and plantes in Rio Negro Province and promoted the foundation of the Museo Municipal de Lamarque.

Holotype: MML-PV 5

Locality: Locality A, 39°50’45”, 66°40’40”, central Rio Negro Province, Patagonia, Argentina.

Horizon: Upper Jaguel Formation.

Biostratigraphy:

Age: Late Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: 17 dorsal vertebrae, 30 caudals, ribs and gastralia, incomplete anterior and posterior limbs, left coracoid and fragments of the right scapula, complete ischium and pubis.