Blake, D. B. (1987). A classification and phylogeny of post-Palaeozoic sea stars (Asteroidea: Echinodermata). <em>Journal of Natural History.</em> 21(2): 481-528.
Blake, D. B. (1987). A classification and phylogeny of post-Palaeozoic sea stars (Asteroidea: Echinodermata). <em>Journal of Natural History.</em> 21(2): 481-528.
Brusca, Richard C., and Gary J. Brusca, 2002: null. Invertebrates, Second Edition. xx + 936.
Clark, A. M. (1989). An index of names of recent Asteroidea, part 1: Paxillosida and Notomyotida. <em>In: Jangoux, M.; Lawrence, J.M. (Ed.) (1996). Echinoderm Studies.</em> 3: 225-347.
Clark, A. M. (1989). An index of names of recent Asteroidea, part 1: Paxillosida and Notomyotida. <em>In: Jangoux, M.; Lawrence, J.M. (Ed.) (1996). Echinoderm Studies.</em> 3: 225-347.
Clark, A. M. (1993). An index of names of recent Asteroidea, part 2: Valvatida. <em>In: Jangoux, M.; Lawrence, J.M. (Ed.) (1996). Echinoderm Studies.</em> 4: 187-366.
Clark, A. M. (1993). An index of names of recent Asteroidea, part 2: Valvatida. <em>In: Jangoux, M.; Lawrence, J.M. (Ed.) (1996). Echinoderm Studies.</em> 4: 187-366.
Clark, A. M. (1996). An index of names of recent Asteroidea, part 3. Velatida and Spinulosida. <em>In: Jangoux, M.; Lawrence, J.M. (Ed.) (1996). Echinoderm Studies.</em> 5: 183-250.
Clark, A. M. (1996). An index of names of recent Asteroidea, part 3. Velatida and Spinulosida. <em>In: Jangoux, M.; Lawrence, J.M. (Ed.) (1996). Echinoderm Studies.</em> 5: 183-250.
Clark, A. M.; Mah, C. (2001). An index of names of recent Asteroidea, part 4. Forcipulatida and Brisingida. <em>In: Jangoux, M.; Lawrence, J.M. (Ed.) (1996). Echinoderm Studies.</em> 6: 229-347.
Clark, A. M.; Mah, C. (2001). An index of names of recent Asteroidea, part 4. Forcipulatida and Brisingida. <em>In: Jangoux, M.; Lawrence, J.M. (Ed.) (1996). Echinoderm Studies.</em> 6: 229-347.
Clark, Ailsa M., and Maureen E. Downey, 1992: null. Starfishes of the Atlantic. xxvi + 794.
Gärdenfors, Hall, Hallingbäck, Hansson & Hedström (02/08/2011 23:00:00) Djur, svampar och växter i Sverige 2003. Förteckning över antal arter per familj.
Hansson, 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.
Hansson, 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.
Hansson, Samuelsson, Cedhagen & Strand (06/09/2016 22:00:00) Nationalnyckeln till Sveriges flora och fauna. Tagghudingar–svalgsträngsdjur. Echinodermata–Hemichordata
Leeuwis, Rob (2002)
Mah, 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
Mah, 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
Parker, S.P. (ed). (1982). Synopsis and Classification of Living Organisms. McGraw-Hill, New York. 2 volumes.