Family Ypsilothuriidae Heding 1942 (sea cucumber)
Holothuroidea - Dactylochirotida - Ypsilothuriidae
Full reference: S. Heding. 1942. Holothuroidea. Part II. Aspidochirotida, Elasipoda, Dendrochirota. The Danish Ingolf Expedition 4(13):1-39
Parent taxon: Dactylochirotida according to M. Reich 2003
See also Frizzell and Exline 1966, Gilliland 1992, Gilliland 1993, Heding 1942, Kerr and Kim 2001 and Pawson 1966
Sister taxa: Rhopalodinidae, Vaneyellidae
Subtaxa: Palaeoypsilus
Ecology: stationary infaunal deposit feeder
Distribution:
• Jurassic of the United Kingdom (2 collections)
Total: 2 collections each including a single occurrence