Species: dawsoni OWEN, 1862
Etymology:

Holotype: BMNH R4180

Locality: Joggins, Chignecto Bay, several miles of sea coast on the Bay of Fundy, Cumberland County, Nova Scotia Province, Canada.

Horizon: Joggins Formation.

Biostratigraphy:

Age: Westephalian B, upper Westphalian, Middle Silesian series, Kashirskian Stage, Moscovian Epoch, Late Pennsylvanian (Late Carboniferous).

Material: Lower jaw, a few phalanges and fragments of other bones are present the same block.

Referred material:

BMNH R4149: Posterior portion of lower jaw, figured by OWEN 1853, plate
II fig. 1, as paratype of Dendrerpeton acadianum.

BMNH R4146: Fragments of dentary and maxilla.

RM 12082: Fragmentary skull and fragmentary skeleton.

STEVENSON & STEVENSON, 1967

Numbers: Not given.

Material: Worn teeth.

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