EllipinionEllipinion is a genus of deep-sea sea cucumbers in the family Elpidiidae. It was first described by the French marine biologist Edgard Hérouard in 1923.SpeciesThe following species are recognised in the genus Ellipinion:Ellipinion alani Rogacheva, Gebruk & Alt, 2013Ellipinion albida Ellipinion bucephalum Hansen, 1975Ellipinion delagei Ellipinion facetum Ellipinion galatheae Ellipinion kumai Ellipinion molle Ellipinion papillosum Ellipinion solidum Hansen, 1975