basis of record
Rowe, F. W. E. & Hoggett, A. K. 1986. The cidarid echinoids (Echinodermata) of New South Wales. Proceedings of the Linnean Society of New South Wales 108 (1985), 225-261.
page(s): 239 [details]
additional source
Mortensen, T. (1928b). A Monograph of the Echinoidea. I. Cidaroidea, 551 pp., C. A. Reitzel & Oxford University Press, Copenhagen & London.
page(s): 267 [details]
From editor or global species database
Status The var. teretispina Döderl. appears to differ from the typical Alcocki (tricarinata) only in its primary spines entirely lacking the wing-like crests. The only specimen known is, however, monstrous on account of its being infested with parasitic Gastropods. [details]