The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.

References

• Blake, D.B. 1982. Somasteroidea, Asteroidea, and the Affinities of Luidia (Plasterias) Latiradiata. Paleontology, 25:167-191.
• Blake, D.B. 1994. Re-evaluation of the Palasteriscidae Gregory, 1900, and the early phylogeny of the Asteroidea (Echinodermata). J. Paleont. 68:123-134.
• Blake, D.B. 1998. Morphological characters of early asteroids and ophiuroids. Echinoderms: San Francisco, Mooi and Telford (eds.), Balkema, Rotterdam.
• Blake, D.B., Guensburg, T.E., 1993. New Lower and Middle Ordovician stelleroids (Echinodermata) and their bearing on the origins and early history of the stelleroid echinoderms.
• Fell, F. Julian / Parker, Sybil P., ed. 1982. Echinodermata. Synopsis and Classification of Living Organisms, vol. 2. 785-813
• Fell, H.B. 1962. A surviving somasteroid from the eastern Pacific Ocean. Science, N.Y. 136:633-636.
• Fell, H.B. 1963a. A new family and genus of Somasteroidea. Trans. R. Soc. N. Z. 3:143-146.
• Fell, H.B. 1963b. The phylogeny of sea-stars. Phil. Trans. R. Soc. Lond., ser. B 246:381-435.
• McKnight, D.G. 1975. Classification of Somasteroids and Asteroids (Asterozoa: Echinodermata). J. Roy. Soc. N. Z. 5:13-19.
• Mooi, R., David, B. 2000. What a new model of skeletal homologies tells us about asteroid evolution. Amer. Zool. 40:326-339.
• Nichols, D. 1962. Echinoderms. Huchinson and Co., London.
• Paul, C.R.C., Smith, A.B. 1984. The early radiation and phylogeny of echinoderms. Biological Reviews, 46:157-200.
• Smith, A.B. 1988. Patterns of diversification and extinction in early Paleozoic echinoderms. Paleontology, 31:799-828.
• Smith, A.B., Jell, P.A. 1990. Cambrian ederoasteroids from Australia and the origins of starfishes. Mem. Queen. Mus. 28:715-778.
• Spencer, W.K. 1951. Early Paleozoic starfish. Phil. Trans. R. Soc. Lond., ser. B 235:87-129.
• Spencer, W.K., Wright, C.W. 1966. Asterozoans, pp. S4-S107. In R.C. Moore (ed.), Treatise in Invertebrate Paleontology, Part U, Echinodermata 3. Geological Society of America and the University of Kansas Press, New York and Lawerance.