Echinoidea taxon details
original description
(of Echinosigra porrecta Mironov, 1974) Mironov, A. N. 1974. [New species of the abyssal sea urchins of the genus Echinosigra (Echinoidea, Pourtalesiidae)]. Zoologicheskii Zhurnal 53, 1803-1806. page(s): 1805; pl. 1: figs 3-4, 7, 11-12, pl. 2: fig. u [details]
new combination reference
Mironov, A. N. 1997. [Holasteroid sea urchins. 4. Echinosigra]. Zoologicheskii Zhurnal 76, 173-186. page(s): 177-178 [details]
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