Rhynchonellata - Spiriferida - Trigonotretidae

Alternative combination: Spirifer rostalinus

Belongs to Crassispirifer according to N. W. Archbold and G. A. Thomas 1985

Sister taxa: Crassispirifer chospochtschonicus, Crassispirifer condoni, Crassispirifer jakuschewae, Crassispirifer kimberleyensis, Crassispirifer koargychanensis, Crassispirifer monumentalis, Crassispirifer pinguis, Crassispirifer striatiformis

Type specimen: GSWA1/4949X

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell 35.7 x 76.4, valve 37.7 x 71.3