Rhynchonellata - Spiriferida - Ingelarellidae

Alternative combinations: Ambikella costata, Tomiopsis costata

Full reference: J. B. Waterhouse. 1964. Permian brachiopods of New Zealand. New Zealand Geological Survey Palaeontological Bulletin 35:1-212

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

Sister taxa: Ingelarella angulata, Ingelarella belfordensis, Ingelarella cessnockensis, Ingelarella davidi, Ingelarella etheridgei, Ingelarella globosa, Ingelarella hombronianus, Ingelarella ingelarensis, Ingelarella mantuanensis, Ingelarella morrisi, Ingelarella pelicanensis, Ingelarella plica, Ingelarella singletonensis, Ingelarella strzeleckii, Ingelarella sulcata, Ingelarella undulosa, Ingelarella warneri

Type specimen: NZGS BR 613. Its type locality is GS6071, Letham Burn (D44/f9622), which is in a Capitanian marine horizon in the Mangarewa Formation of New Zealand.

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell 40.0 x 50.0, valve 25.6 x 31.1