Genus: Chucarosaurus AGNOLIN, GONZALES RIGA, ROLANDO, ROZADILLA, MOTTA, CHIMENTO & NOVAS, 2023
Etymology: Native language Quechua, also sued for the gauchos (people who live in the countryside of Argentina), chucaro, Mapundungum, "hard and indomitable animal", and Latin, sauros, "lizard."

Species: diripienda AGNOLIN, GONZALES RIGA, ROLANDO, ROZADILLA, MOTTA, CHIMENTO & NOVAS, 2023
Etymology: Latin, diripienda, "scrambled."

Holotype: MPCA PV 820

Locality: Pueblo Blanco Natural Reserve (ex Violante Farm), 39°23'52.37"S, 68°37'2.30"W, southeast of the Ezequiel Ramos-Mexia Lake, northwestern Rio Negro Province, Argentina.

Horizon: Huincul Formation.

Biostratigraphy:

Age: Middle Cenomian-Lower Turonian Stage, Gallic Subepoch, Early Gulf Epoch, Middle Cretaceous.

Material: Complete left humerus, left radius lacking proximal end, left complete metacarpal II, left ischium, left femur with eroded proximal end, left fibular shaft, incomplete proximal end of right tibia, and distal end of indeterminate metapodial.

Referred material:

MPCA PV 821: Left femur and tibia from the same individual.