(photo received from Robert Miller, USA, courtesy of "Greenpeace". Specimens from Bering Sea, deep-water)
This large and rather unusual species has very short column completely hidden under wide oral disk with very numerous tentacles. It lives unattached on soft bottom and on many photos appear rolling on the sea floor as on the second photo on this page.
Taxonomy:
Phylum Cnidaria
Class Anthozoa
Order Actiniaria