ammonites
Johndearia brevis McClung and Armstrong 1975 (lamp shell)

Rhynchonellata - Spiriferida - Ingelarellidae

Alternative combinations: Ingelarella brevis, Martiniopsis brevis

Full reference: G. McClung and J. Armstrong. 1975. New species of Martiniopsis (Brachiopoda: Spiriferida) from the Permian of eastern Australia. Queensland Government Mining Journal 76:231-234

Belongs to Johndearia according to J. B. Waterhouse and G. R. Shi 2010

Sister taxa: Johndearia isbelli, Johndearia magna

Type specimen: UNE 14212. Its type locality is UNE L845, Pacific Highway, Raymond Terrace, which is in an Artinskian marine siliciclastic in the Elderslie Formation of Australia.

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell 43.7 x 55.6, valve 38.1 x 49.3