Species: watsoni STEEN, 1934
Etymology: In honor of Prof. D. M. S. Watson.
Holotype: RM 2.1122
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: Fragmentary skull.
Referred material:
RM 12115 (May belong with RM 2.1193a): Pterygoid, interclavicle, radius, scapula.
NMC 10096: Basioccipital.
NMC 10050: Fragmentary skeleton.
NMC 10119: Clavicle and interclavicle.
DMSW B224: Fragmentary right? humerus.
BMNH R442: Fragmentary skeleton.
HOLMES & CARROLL, 2010
Locality: On the beach near the town of Joggins, 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:
NSM 994 GF 1.1: Fragmentary skull and anterior half of a skeleton.
Number: Not given, Latex peels RM 206859: An articulated caudal series.
= Atopotera moneres STEEN, 1934
Etymology:Holotype: RM 2.1193a (Counter part RM 2.1193b)
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: Fragmentary skull.
= Dendryazousa dikella STEEN, 1934
Etymology:Holotype: BMNH R4553
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: Counterpart to type: Fragmentary skull.