Genus: Aserotaspis DINELEY & FOEFFLER, 1976
Etymology :

Species: canadensis DINELEY & FOEFFLER, 1976
Etymology:

Holotype: NMC 21460

Locality: GSC 69014, 62°33’N, 127°45’W, south-west limb of the Grizzly Bear anticline, Northwest Territories Province, Canada.

Horizon: 260m above the top of the Whittaker Formation, in transitional facies between the Delorme and Road River Formations.

Biostratigraphy:

Age: Early Dittonian, Lower Pragian Stage, Early Devonian.

Material: Fragment of anterior part of dorsal armor.

Referred material:

NMC 21459, 21461-21462, 21493: Isolated, associated, and poorly preserved tesserae.

Note: Brackish water lagoon.