Clausinella fasciata, the banded venus, is a marine bivalve mollusc in the family Veneridae.
This species has a solid, flat, sub-triangular shell which grows to 2.5 centimetres (0.98 in) in length. Surface colour is variable; red, pink, purple, yellow or brown with radiating bands and colourful streaks. It may have up to fifteen broad concentric ridges on older specimens. The interior is dull white.
The banded venus has a recorded distribution and common around all coasts of the British Isles. It is found in coarse gravel, typically containing sand or shell fragments, down to depths of as much as 100 metres (330 ft).
