Trochidae – Trochinae: Clanculus undatoides Tenison-Woods, 1879 (‘wave-like top-shell’)

Synonym(s): undatoides Tenison-Woods, 1879.

Typical shell-length 10 mm. Lives subtidally amongst rocks and seaweed. Grazes on epiphytic algae. Native. Endemic to southeastern Australia (NSW, TAS and VIC).