Rhynchonellata - Spiriferida - Ingelarellidae

Alternative combinations: Ingelarella isbelli, Martiniopsis isbelli, Tomiopsis isbelli

Full reference: K.S.W. Campbell. 1961. New species of the Permian spiriferoides Ingelarella and Notospirifer from Queensland and their stratigraphic implications. Palaeontographica Abteilung A 117(5-6):159-192

Belongs to Johndearia according to J. B. Waterhouse 1998

Sister taxa: Johndearia brevis, Johndearia magna

Type specimen: UQ F25040. Its type locality is Parish North Britton, Homevale, which is in an Artinskian marine siliciclastic in the Tiverton Formation of Australia.

Average measurements (in mm): shell 57.9 x 83.8, valve 68.3 x 85.5