The specific epithet longissima (masculine: longissimus) is a Latin adjective meaning 'very long' or 'longest', and ... [details]
Coast of Ayrshire, Scotland, UK, Northeastern Atlantic Ocean (gazetteer estimate 55.28, -4.87). [details]
Coast of County Down, Northern Ireland, Irish Sea, NE Atlantic (gazetteer estimate 54.2º, -5.6º). [details]