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 sourceMah, C.L. (2006). A new species of <i>Xyloplax</i> from the Northeast Pacific: comparative morphology and a reassessment of phylogeny. Invertebrate Biology 125 (2): 136-153, available online athttps://doi.org/10.1111/j.1744-7410.2006.00048.x[details]
additional sourceClark, A.M. (1989). An index of names of recent Asteroidea, part 1: Paxillosida and Notomyotida, <B><I>in</I></B>: Jangoux, M.; Lawrence, J.M. (Ed.) (1989). <i> Echinoderm Studies,</i> 3: pp. 225-347 (look up in IMIS) [details]
additional sourceClark, A.M. (1993). An index of names of recent Asteroidea, part 2: Valvatida, <B><I>in</I></B>: Jangoux, M.; Lawrence, J.M. (Ed.) (1993). <i>Echinoderm Studies,</i> 4: pp. 187-366 (look up in IMIS) [details]
additional sourceClark, A.M. (1996). An index of names of recent Asteroidea, part 3. Velatida and Spinulosida, <B><I>in</I></B>: Jangoux, M.; Lawrence, J.M. (Ed.) (1996). <i> Echinoderm Studies,</i> 5: pp. 183-250 (look up in IMIS) [details]
additional sourceClark, A.M.and Mah, C. (2001). An index of names of recent Asteroidea, part 4. Forcipulatida and Brisingida, <B><I>in</I></B>: Jangoux, M.; Lawrence, J.M. (Ed.) (2001). <i>Echinoderm Studies,</i> 6: pp. 229-347 (look up in IMIS) [details]
Present Inaccurate Introduced: alien Containing type locality