''Body elongate, joined, on each side series of fasciculi; tentacula rather incrassate, nearly one half as long as ... [details]
British Isles, Northern Ireland: Whitehead, Belfast Lough. [details]
Not stated. The specific epithet calcarea seems to be a lapsus calami of calcaria, feminine of the Latin adjective ... [details]
''Found in the pools on the rocks at Whitehead, Belfast Lough, living in minute tubular cavities in the limestone ... [details]
British Isles, Northern Ireland, Whitehead, Belfast Lough, 54.7572º, -5.7040º (gazetteer), intertidal shoreline ... [details]