Genus: Nichollssaura DRUCKENMILLER & RUSSELL, 2009
Etymology: In memory of Elizabet ("Betsy") Nicholls, curator of marine reptiles at the Royal Tyrrell Museum of Paleontology, for her lifelong work on marine vertebrates from western North America (gender; feminine).
= Nichollsia DRUCKENMILLER & RUSSELL, 2008 non CHOPRA & TIWARI, 1950
= Genus Nova DRUCKENMILLER & RUSSELL, 2004

Species: borealis (DRUCKENMILLER & RUSSELL, 2008) DRUCKENMILLER & RUSSELL, 2009
Etymology: Latin, boreal, 'north'; in reference to its occurrence in the Early Cretaceous Boreal Sea of the Western Interior Basin, adn its northerly distribution.
= Nichollsia borealis DRUCKENMILLER & RUSSELL, 2008

Holotype: RMTP 94.122.01

Locality: Approximately 35 kilometers north of Fort McMurry, open pit mining by Syncrude Canada, Ltd. in the Athabasca Oil Sands deposit, west side of the Base Mine, 57°0'24.02"N, 111°39'22.19"W, Wood Buffalo Regional Municipality, northeastern Alberta Province, Canada.

Horizon: Wabiskaw Member, Clearwater Formation.

Biostratigraphy:

Age: Lowermost Albian Stage, Middle Gallic Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material: Skull and skeleton.

Note: Approximately 120 gastroliths.