Muricidae – Muricopsinae: Rolandiella umbilicata (Tenison-Woods, 1876) (‘umbilicated murex’)

Synonym(s): umbilicata Tenison-Woods, 1876 scalaris A. Adams, 1854 angasi Tryon, 1880.
Typical shell-length 35 mm. Shell heavily thickened. Lives subtidally amongst rocks and seaweed, especially in moderately exposed environments. Native. Endemic to southeastern Australia (TAS, VIC and SA). In Tasmanian waters, this is an uncommon species, confined to the N coast and Bass Strait islands.