Species: ornata DENISON, 1963
Etymology:

Holotype:

Locality: Beaver River, Southeast Yukon, Canada.

Horizon:

Biostratigraphy:

Age: Late Silurian.

Material: Dorsal shield.

Referred material:

FMNH PF 3707: Cast of type.

= Ariaspis cf. A. ornata DINELEY & FOEFFLER, 1976

Locality: CS (Chevron Standard Localities) YA20, 63?12’N, 128?30’W, 40 km southeast of June Lake , Northwest Territories Province, Canada.

Horizon: 16F within the Whittaker F Formation, 1s 325 m below the base of the Delorme Formation.

Biostratigraphy:

Age: Late Silurian.

Material:

NMC 13767: Incomplete dorsal shield.

Note: Shallow water, marine.