Circulus gyalum (Melvill, 1904)
kingdom: Animalia >
phylum: Mollusca >
class: Gastropoda Cuvier, 1795 >
subclass: Caenogastropoda L. R. Cox, 1960 >
superfamily: Truncatelloidea J. E. Gray, 1840 >
family: Vitrinellidae K. J. Bush, 1897 >
genus: Circulus Jeffreys, 1865 >
[1]
Melvill, J. C. (1904). Descriptions of twenty-three species of Gastropoda from the Persian Gulf, Gulf of Oman, and Arabian sea, dredged by Mr. F. W. Townsend, of the Indo-European Telegraph Service, in 1903. Proceedings of the Malacological Society of London, 6(1): 51–60, pl. 5. https://www.molluscabase.org/aphia.php?p=sourcedetails&id=136886
