†Spiraserpula iugoconvexa Pillai & Ten Hove 1994

Pillai & Ten Hove 1994. On Recent species of Spiraserpula Regenhardt, 1961, a serpulid polychaete genus hitherto known only from Cretaceous and Tertiary fossils. Bulletin of the Natural History Museum Zoology Series, 60(1), 23 June 1994: 39-104