Pearse, J. S. & Mooi, R. 2007. Echinoidea. Pp. 914-922 in J. Carlton (ed.) The Light and Smith Manual, Intertidal Invertebrates from Central California to Oregon. 4th Edition. University of California Press, Berkeley.
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Pearse, J. S.; Mooi, R.
2007
Echinoidea
The Light and Smith Manual, Intertidal Invertebrates from Central California to Oregon. 4th Edition