WoRMS taxon details
original description
(of Hydrasterias diomediae Ludwig, 1905) Ludwig, H. (1905). Asteroidea. <em>Memoirs of the Museum of Comparative Zoology at Harvard.</em> 32: vii-xii, 1-292+ plates., available online at http://biodiversitylibrary.org/page/28866803 page(s): 242 [details]
original description
(of Coscinasterias (Stolasterias) alexandri Ludwig, 1905) Ludwig, H. (1905). Asteroidea. <em>Memoirs of the Museum of Comparative Zoology at Harvard.</em> 32: vii-xii, 1-292+ plates., available online at http://biodiversitylibrary.org/page/28866803 page(s): 221 [details]
additional source
Fisher, W.K. (1924). The genus <i>Sclerasterias</i> Perrier. Bulletin de Institut Oceanographique, Monaco 414(3): 1-8 [details]
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