WoRMS taxon details
original description
Agassiz, A. (1863). List of the echinoderms sent to different institutions in exchange for other specimens, with annotations. <em>Bulletin of the Museum of Comparative Zoölogy at Harvard College.</em> 1: 17-28. page(s): 18 [details]
basis of record
Mortensen, T. (1928b). A Monograph of the Echinoidea. I. Cidaroidea, 551 pp., C. A. Reitzel & Oxford University Press, Copenhagen & London. page(s): 492-497 [details]
Syntype MCZ 318, geounit Hawaiian Islands [details]
Syntype MCZ 89, geounit Hawaiian Islands [details]
From editor or global species database
Description Small urchin with large spines with rows of 'thorns'. Test 6cmØ, thick primary spines 10cm long (1.5x testØ). Primary spines mainly smooth on one side, with thorns forming 5 rows on the other three sides. The thorns are well spaced along most of the length, but develop into five blade-like ridges about 1cm from the tip. The thorns are not aligned to form rings around the spines. Interambulacral area very wide and densely covered with small miliary spines. [details]
Habitat near-shore, outer reef-slope; up to 15 m, more common 30 m [details]
Language | Name | |
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English |
blade-tipped tiara-urchin |
[details] |
From editor or global species database
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