Genus: Kank MOTTA, ROLANDO, ROZADILLA, AGNOLIN, EGLI, HERRERA, CHIMENTO, COCO, TSUIHIJI, MANABE, POL & NOVAS, 2026
Etymology: Kank is in reference to the "elder Rhea," who created the constellation Choiols (southern Cross constellation) in the Aonikenk mythylogy.

Species: australis MOTTA, ROLANDO, ROZADILLA, AGNOLIN, EGLI, HERRERA, CHIMENTO, COCO, TSUIHIJI, MANABE, POL & NOVAS, 2026
Etymology: Lain, australis, "southern", in reference to the southern latitude where this dinosaur was found.

Holotype: MPM-PV-23106-A

Locality: 5 m2 quarry excavated at the "Monotreme site" (PaleoDB collection 234712), La Anita Farm, 50°31'7.71"S, 72°33'50.70"W,Santa Cruz Province, Argentina.

Horizon: Chorrillo Formation.

Biostratigraphy:

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

Material: Ceervico-dorsal vertebrae (CV10).

Referred material:

MPM-PV-23587: Isolated anterior maxillary tooth.

MPM-PV-25388: Isolated anterior maxillary tooth.

MPM-PV-25389: Isolated mid-posterior maxillary tooth.

MPM-PV-25390 (incorrect MPM-PV-253890): Isolated mid-posterior maxillary tooth.

MPM-PV-25391: Isolated dentary tooth.

MPM-PV-25392: Right pedal phalanx II-2.

MPM-PV-25393: Left pedal phalanx II-3.

MPM-PV-22876: Left pedal phalanx III-2.

 

Locality: "Puma Cave Site" (PaleoDB collection 22115), ("Magallanodon Site" in Moyano-Paz, et al. 2022, and "loclaity 4" in Novas, et al, 2019), La Anita Farm, 50°31'7.71"S, 72°33'50.70"W,Santa Cruz Province, Argentina.

Horizon: Chorrillo Formation.

Biostratigraphy:

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

Material:

MPM-PV-21546-A (Originally described under the number MPM 21546, Novas et al, 2019):Dorsal vertebral centrum.

MPM-PV-21548-A (origninally described under the collection number MPM 21548 by Novas, et al, 2019): Right ungual pedal phalanx of digit II.

 

Locality: Locality SC1, Las Chinas Valley, Austal-Magallanes Basin, southern Chinle.

Horizon: Dorotea Formation.

Biostratigraphy:

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

Material:

CPAP 5935: Isolated dentary tooth.

 

Locality: Locality SC2, Las Chinas Valley, Austal-Magallanes Basin, southern Chinle.

Horizon: Dorotea Formation.

Biostratigraphy:

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

Material:

CPAP 5932A: Isolated maxillary tooth.