DINELEY & LOEFFLER, 1976

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:

NMC 19645: Antero-lateral fragment of a dorsal shield.

Note: Brackish water lagoon.

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ELLIOTT & PETRIELLO, 2011

Locality: Southwest Pavant Mountains, West-central Utah.

Horizon: Sandy Member, Sevy Dolomite.

Biostratigraphy:

Age: Early Devonian.

Material:

FMNH-PF14492: Incomplete ventral shield.