Janthina exigua

Ianthina exigua | Lamarck, 1816
Janthina incisa | Phillipi, 1848
Ianthina striata | nom. nud. Montrouzier, 1860
Ianthina capreolata | Montrouzier, 1860
Ianthina nitida | Adams, 1861
Ianthina vinsoni | Deshayes, 1863