Genus: Lajasvenator CORIA, CURRIE, ORTEGA & BAIANO, 2020
Etymology: In reference to the city of Las Lajas, within the jurisdiction of which the sepcmen was found, and Latin, venator, "hunter".

Species: ascheriae CORIA, CURRIE, ORTEGA & BAIANO, 2020
Etymology: In honor of Susana Ascheri, for her kindness in allowing us to work on her land.

Holotype: ML-PV-005

Locality: Pilmature Locality, S38°29'59.5", W70°15'51'1", 9 km northeast of Las Lajas, Neuquen Province, Patagonia, Argentina.

Horizon: Mulichinco Formation.

Biostratigraphy:

Age: Upper Valanginian Stage, Middle Neocomian Subepoch, Early Early Cretaceous Epoch, Early Early Cretaceous.

Material: Almost complete left premaxilla with 1 tooth, anterior portion of the right premaxilla with 2 teeth, most of the main body of the left maxilla, anterior section of the main body of the right maxilla, distal half of the left dentary, posterior ramus of the left splenial, complete last 4 cervical vertebrae (articulated with each other and thier cervical ribs), almost complete left dorsal vertebra, a series of 9 articulated dorsal centra (the centra are incomplete at the anterior and posterior ends of the series), fragment of sacrum with 3 incomplete vertebrae attached to a fragmentary ilium, a series of 9 articulated mid caudal vertebrae (2 of which are complete), 5 almost complete posterior dorsal ribs with heads, 3 dorsal rib shaft fragments, 4 fragments of possible gastralia, incomplete right ilium, and proximal end of right pubis.

Referred material:

Locality: Pilmature Locality, S38°29'59.6", W70°15'48.0", 9 km northeast of Las Lajas, Neuquen Province, Patagonia, Argentina.

Horizon: Mulichinco Formation.

Biostratigraphy:

Age: Upper Valanginian Stage, Middle Neocomian Subepoch, Early Early Cretaceous Epoch, Early Early Cretaceous.

Material:

MLL-PV-007: A right quadratojugal, symphysial ends of both dentaries, fragmentary series of 4 cervical transverse processes, proximal end of seventh right cervical rib, proximal half of a left, anterior dorsal rib, and a possible distal tarsal.