Echinoidea note details

Diagnosis
English
eng
Small (adults possibly not seen), up to 69 mm TD; colour of test and appendages brownish-white; test puffed-up and wrinkled, the ambitus rounded and ill-defined; interambulacra wider than ambulacra (possibly juvenile condition); primary tubercles absent adradial to pore series in oral ambulacra; adapical secondary plates of aboral ambulacra elongate, occasionally reaching the perradius; madreporite indistinct; tridentate pedicellariae with minutely serrated edges.
Anderson, O. F. (2016). A review of New Zealand and southeast Australian echinothurioids (Echinodermata: Echinothurioida)—excluding the subfamily Echinothuriinae—with a description of a new species of <em>Tromikosoma</em>. <em>Zootaxa.</em> 4092(4): 451. Available for editors  PDF available
Date
action
by
2018-12-05 08:44:49Z
created