Genus: Sassenisaurus NILSSON, 1942
Etymology: In reference to Sassen Valley, Spitsbergen, Svalbard, Norway, and Greek, sauros, "lizard."

Species: spitzbergensis NILSSON, 1942
Etymology: In reference to Spitsbergen, Svalbard, Norway.

Holotype: PIU U.82

Locality: Posidonomya Beds of Mt. Anderson at the inner end of Sassen Valley, Spitsbergen, Svalbard, Norway.

Horizon: Kongressfjellet Formation, Sticky Keep Member.

Biostratigraphy:

Age: Olenekian Stage, Upper Scythian Epoch, Early Triassic.

Material: Fragmentary skull.

Referred material:

NILSSON, 1943

Locality: Kongressfjellet, Heimenfjellet, Stensiofjellet, Milne Edwardsfjellet, Svalbard.

Horizon:

Biostratigraphy:

Age: Middle Triassic.

Material:

Number: Not given:

 

= Cyclotosaurus? spitzbergensis WIMAN, 1914 (not 1915)
Etymology: In reference to Spitsbergen, Svalbard, Norway.

Holotype:

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

 

= Wetlugasaurus groenlandicus BLOM, 1968
Etymology: In reference to Greenland.

Holotype:

Locality:

Horizon:

Biostratigraphy:

Age:

Material: