Species: platyrhina ELLIOTT & DINELEY, 1985
Etymology: Greek, platys, “broad”, Greek, rhinos, “snout”: Broad snout.

Holotype: NMC 34006

Locality: Prince of Wales Island, Northwest Territorties Province Canada.

Horizon:

Biostratigraphy:

Age: Late Silurian.

Material: Dorsal Shield.

Referred material:

Locality: Locality 1, Locality 7 of Broad (193), Locality 2 of ELLIOTT, (1984), GSC Locality C-10045, Prince of Wales Island, Gorge 22.5 km north of Transition Bay, ‘unnameded gorge’ of Broad (1973), 96?30’W, 72?10’N, Northwest Territorties Province, Canada.

Horizon: Lower member of Peel Sound Formation.

Biostratigraphy:

Age: Late Silurian.

Material:

Number: Not given:

 

Locality: Locality 2, Locailty 7 of Broad and Dineley , 1973, Locality 3 of Elliott, 1984, GSC Locaity C-10046, Prince of Wales Island, Gorge 22.5 km north of Transition Bay, ‘unnameded gorge’ of Broad (1973), 96?30’W, 72?10’N, Northwest Territorties Province, Canada.

Horizon: Lower member of Peel Sound Formation.

Biostratigraphy:

Age: Late Silurian.

Material:

Number: Not given:

 

Locality: Locality 3, Locality 1 of Elliott, 1984, 96?32’W, 72?11’N, Transition Bay, Prince of Wales, Northwest Territorties Province, Canada.

Horizon: Lower member of Peel Sound Formation.

Biostratigraphy:

Age: Late Silurian.

Material:

Number: Not given:

 

Locality Locality 4, 94?09’W, 74?08’N, Somerset Island, Northwest Territorties Province, Canada.

Horizon: Lower member of the Somerset Island Formation.

Biostratigraphy:

Age: Late Silurian.

Material:

Number: Not given:

 

Locality: Locality 5, 6.5 km north of Creswell Bay, Locality 6 (part) of BROAD, 1973, GSC Locality C-10056, Somerset Island, Northwest Territorties Province, Canada.

Horizon: Upper Member of Somerset Island Formation.

Biostratigraphy:

Age: Late Silurian.

Material:

NMC 34002-34005, 34007-34009: Dorsal shields.