Gastropoda - Pleurotomarioidea - Pleurotomariidae

Alternative combination: Pleurotomaria (Talantodiscus) trechmanni

Full reference: J. Marwick. 1953. Divisions and faunas of the Hokonui System (Triassic and Jurassic). New Zealand Geological Survey Paleontological Bulletin 21

Belongs to Talantodiscus according to J. G. Begg and J. A. Grant-Mackie 2003

Sister taxon: Talantodiscus mackayi

Average measurements (in mm): shell width 30.4