2011 Bangor University, Irish Sea Arctica Islandica dataset https://portal.medin.org.uk/portal/start.php?tpc=010_984f6a940ea0116bbcf3f24922bcd5d9 Records are taken from BUTLER, P. 2009 Establishing the Arctica islandica archive: Development of the definitive shell-based proxy for the North Atlantic shelf seas. PhD thesis, Bangor University. Records Digitised by ISCZ project 2011. Ocean Quahogs are listed as a Species Feature of Conservation Importance under the Ecological Network Guidence. and on the OSPAR List of Threatened and/or Declining Species and Habitats (Region II â?? Greater North Sea) In Wales, ocean quahogs are a species of principal importance for the purpose of conservation biodiversity under the Natural Environment and Rural Communities Act 2006 20080710 20080710