Siphonaria laciniosa


Drawing by Nasser AlZayani (2017)

Phylum: Mollusca, Class: Gastropoda, Family: Siphonariidae

Species: Siphonaria laciniosa

Description: Shaped like a truncated cone with an oval base. There are around 17/18 raised radiating ridges interspersed with about 4 less raised intervening ridges. Colour white to grey with brown/purple radiations. Internally the outer pattern shows through, with a pinkish hue to the apex. There is a large kink and extension to one side for the siphon to fit into. Typical size: Height 5-11 mm, Width 15-20mm

Information Source: Bahrain First National Report to the CBD (2006); Bahrain Seashells (1994)