Della Valle used in the original description Distoma costae, as a species dedicated to Prof. A. Costa. In the old ... [details]
Moved to Hormiphora by Moser 1909, p. 152 [details]
Probable synonym of H. hormiphora (Gegenbaur, 1856) because of its similarity to Gegenbaur's illustration. [details]
Synonym of Cydippe Gegenbaur, 1856 by L. Agassiz 1860 [details]
Bigelow (1912) synonomized young stages of H. palmata Chun, 1898 with H. hormiphora (Gegenbaur, 1856), but he also ... [details]