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Distribution Map: Steromphala umbilicalis - data from NBN (National Biodiversity Network) mapping facility, UK.

Map at NBN website: Steromphala umbilicalis

Picton, B.E. & Morrow, C.C. (2024). Distribution map for Steromphala umbilicalis. (da Costa, 1778). [In] Marine Biodiversity Data Portal NI. https://www2.habitas.org.uk/marbiop-ni/flex_map.php?item=W1950&ni=1. Accessed on 2026-04-20