Species: mongoliensis VORIS, ZELENITSKY, KOBAYASHI, MODESTO, THERRIEN, TSUTSUMI, CHINZORIG & TSOGTBAATAR, 2025 (Type)
= Alectrosaurus olsoni PERLE, 1977 (referred material)
= Genus: Nova CARR, 2005
Etymology: In reference to Mongolia, where the specimen was found.

Holotype: MPC-D100/50

Locality: Baishin-Tsav, Ömnögov Province, Southeastern Mongolia.

Horizon: Bayanshiree Formation.

Biostratigraphy:

Age: Turonian Stage, Upper Gallic Subepoch, Lowermost Gulf Epoch, Middle Cretaceous.

Material: Partial maxilla, nasal, partial left lacrimal, partial left and right quadrate, vomer, jugal porcess of left and right ectopterygoids, partial left and right pterygoid, 3 mid to posterior dorsal vertebrae, 17 contiguous distalmost caudal vertebrae, furculum, left scapulocoracoid, and a left metatarsal III.

Referred material:

MPC-D 100/51; Partial skeleton including right postorbitial, right quadratojugal, right quadrate, partial left ilum, left ischium, and right hind limb, including proximal half of metatarsus and 4 pedal phalanges.

MPC-D102/4: Isolated frontal.

GI No. SPS 100/51: Fragmentary skull, lower jaws, incomplete ilium, and metatarsals of the right foot?

Composite skull of 100/50 & 51.

Scapula (100/50); , metatarsals (100/51) and ungual (100/50).

Fragmentary ilium.