Tropidoturris simplicicingula explained

Tropidoturris simplicicingula is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae.^[1]

There is one subspecies: Tropidoturris simplicicingula pondo Kilburn, 1986

Description

The size of the biconic shell attains 19.8 mm. Characteristic for this species is the fact that the shell has no axial ribs. The narrower spiral lirae are declivous. The shoulder cord is stronger to carinate.^[2]

Distribution

This marine species occurs off Agulhas Bank, South Africa

References

• Barnard, K. H. 1958. Contributions to the knowledge of South African marine Mollusca. Part 1. Gastropoda: Prosobranchiata: Toxoglossa. Ann. S. Afr. Mus. 44: 73–163.
• Steyn, D.G. & Lussi, M. (1998) Marine Shells of South Africa. An Illustrated Collector’s Guide to Beached Shells. Ekogilde Publishers, Hartebeespoort, South Africa, ii + 264 pp. page(s): 156

Notes and References

1. WoRMS (2015). Tropidoturris simplicicingula. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=435089 on 2016-04-06
2. Kilburn R.N. (1986). Turridae (Mollusca: Gastropoda) of southern Africa and Mozambique. Part 3. Subfamily Borsoniinae. Annals of the Natal Museum. 27: 633–720