Hansen, B.; McKenzie, J.D. (1991). A taxonomic review of Northern Atlantic species of Thyonidiinae and Semperiellinae (Echinodermata: Holothuroidea: Dendrochirotida). <i>Zool. J. Linn. Soc. 103</i>: 101-127 (look up in IMIS) [details]
Glover, A.G.; Higgs, N.; Horton, T. (2025). World Register of Deep-Sea species (WoRDSS). Ekmania Hansen & McKenzie, 1991. Accessed at: https://www.marinespecies.org/deepsea/aphia.php?p=taxdetails&id=123496 on 2025-12-11
original descriptionHansen, B.; McKenzie, J.D. (1991). A taxonomic review of Northern Atlantic species of Thyonidiinae and Semperiellinae (Echinodermata: Holothuroidea: Dendrochirotida). <i>Zool. J. Linn. Soc. 103</i>: 101-127 (look up in IMIS) [details]
basis of recordHansson, H.G. (2001). Echinodermata, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i>. 50: pp. 336-351. (look up in IMIS) [details]
additional sourceMadsen, F.J.; Hansen, B. (1994). Echinodermata Holothurioidea. <i>Marine invertebrates of Scandinavia</i>, 9. Scandinavian University Press: Oslo, Norway. ISBN 82-00-03936-6. 143 pp. (look up in IMIS) [details]
Present Inaccurate Introduced: alien Containing type locality