Genus: Yeneen FILIPPI, BELLARDINI, CARBALLIDO, MENDEX & GARRIDO, 2026
Etymology: Yeneen, is known in the Tehuelche (Aonikenk) Culture as a spirit or entity related to winter, cold and winter nature in general, alluding to the La Invernada, A Spanish word that refers to the site where the cattle spend the winter.

Species: houssayi FILIPPI, BELLARDINI, CARBALLIDO, MENDEX & GARRIDO, 2026
Etymology: In honor of Dr. Bernardo Alberto Houssay, Nobel Laureate in Medicine and the member of teh commission that promoted the creation of CONICET (Consejo Nacional de Investigaciones Cientificas y Tecnias, Argentina).

Holotype: MAU-Pv-LI-538/1-30

Locality: Ceerro Overo -La Invernada area, Neuquen Province, Argentina.

Horizon: Bajo de la Carpa Formation.

Biostratigraphy:

Age: Santonian, Senonian Subepoch, Early Gulf Epoch, Early Late Cretaceous.

Material: 6 cervical, 10 dorsal, adn 1 anterior caudal vertebra, teh sacrum, both ilia and several dorsal ribs.

Referred material:

cf. Yeneen houssayi

MAU-PV-LI-539: Right ilium.