Ophiuroidea source details
Mortensen, T. (1928b). A Monograph of the Echinoidea. I. Cidaroidea, 551 pp., C. A. Reitzel & Oxford University Press, Copenhagen & London.
3176
Mortensen, T.
1928
A Monograph of the Echinoidea. I. Cidaroidea, 551 pp., C. A. Reitzel & Oxford University Press, Copenhagen & London.
Publication
Original description
This variety differs from the typical form only in the shape of the hairs on the primary spines, these being ... [details]
Status
Mortensen (1928b: p. 437, under the name C. circinnata), following A. Agassiz, tentatively considers this a junior ... [details]
Status
The var. teretispina Döderl. appears to differ from the typical Alcocki (tricarinata) only in its primary spines ... [details]