Strophomenata - Productida - Productidae

Alternative combination: Productus subcostatus

Full reference: W. Waagen. 1884. Productus Limestone Fossils, Part IV, fas. 4. Salt Range Fossils, Palaeontologia Indica, Series 13 1(4):611-728

Belongs to Costiferina according to H. Muir-Wood and G. A. Cooper 1960

Sister taxa: Costiferina alata, Costiferina arata, Costiferina indica, Costiferina miaolingensis, Costiferina minor, Costiferina redacta, Costiferina spiralis, Costiferina thomasi, Costiferina vishnu, Costiferina wadei

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): valve 47.0 x 54.0