type specimen lectotype Quaternary Holocene recent see text FEU-1000910 | type specimen paralectotype Quaternary Holocene recent Central North Atlantic see text FEU-1000908 | identified by scientist Quaternary Holocene recent Greater North Sea unknown FEU-1003001 | identified by scientist Quaternary Holocene recent unknown FEU-1011023 | identified by scientist Quaternary Holocene recent Greater North Sea see text FEU-1000909 | |||||