Genus: Borealochelys BRINKMAN & TARDUNO, 2005
Etymology: Greek, borealis, "northern" and Greek, chelys, "turtle": The generic name refers to the High-Latitude occurrence of the turtles.

Species: axelheibergensis BRINKMAN & TARDUNO, 2005
Etymology: The specific name refers to Axel Heiberg Island, Queen Elizabeth Islands, Northern Territory, Canadian High Artic.

Holotype: UR 00.100

Locality: Near Expedition Fiord, 79°23.5'N, 92°10.9'W, Axel Heiberg Island, Queen Elizabeth Islands, Northern Territory, Canadian High Artic.

Horizon: Base of the Kanguk Shale.

Biostratigraphy:

Age: Upper Turonian Stage, Uppermost Gallic Subepoch-Coniacian Stage, Lowermost Senonian Subepoch, Lower Gulf Epoch, Late Cretaceous.

Material: Anterior portion of shell including the nuchal, neurals one to five, right peripherals one and two, left peripherals one to seven, right first and second costal, left first to fifth costals, and associated hyoplastron.