Species: helogenes (STEEN, 1934) MILNER, 1996
= Dendrerpeton acadianum OWEN, 1882 (partim)
= Dendrerpeton helogenes (STEEN 1934) MILNER, 1996
Holotype: RM 2.1188 (RM 1.1183) (Dawson Original 141)
Locality: Joggins, Cumberland County, Nova Scotia Province, Canada.
Horizon: Coal-group 15 horizon, Joggins Formation.
Age: Westephalian B, upper Westphalian, Middle Silesian series, Kashirskian Stage, Moscovian Epoch, Late Pennsylvanian (Late Carboniferous).
Material: A skull-table and several isolated cranial and postcranial elements on a block.
NSM 978GR53/1: A skull with mandibles preserved uncrushed, but somewhat eroded