Bathyal-abyssal, fine sediments. Known only from the type locality, at 3338-3356 m depth, SW of Ireland, NE Atlantic. [details]
Bathyal, fine sediments. Known only from two stations, at 2875 m depth, in the Rockall Trough, W of Scotland (NE ... [details]
Known only from the type locality (the entrance of the Strait of Messina into the Tyrrhenian Sea). [details]