Mollusca (Phylum) > Gastropoda (Class) > Caenogastropoda (Subclass) > Littorinimorpha (Order) > Tonnoidea (Superfamily) > Ranellidae (Family) > Cymatiinae (Subfamily) > Monoplex (Genus)

Synonymes
Cymatium nicobaricum (Röding, 1798)
Lampusia nicobarica (Röding, 1798)
Triton chlorostomum (Lamarck, 1822)
Triton chlorostomum var. pumilio (Mörch, 1877)
Triton pulchellus (C. B. Adams, 1850)
Tritonium nicobarius (Röding, 1798)