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MarBEF Data System - ERMS - Phyllopus helgae Farran, 1908
Nullosetigera helgae (Farran, 1908) - World Register of Marine …
Phyllopus helgae Farran, 1908 - World Register of Marine Species
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MarBEF Data System - European Register of Marine Species (ERMS)
Marine Species Traits - Nullosetigera helgae (Farran, 1908)
World Register of Deep-Sea species - Phyllopus Brady, 1883
Species Card of Copepod - web2.obs-banyuls.fr
Chinese Register of Marine Species - Nullosetigera helgae (Farran, …
WoRMS - World Register of Marine Species - Phyllopus Brady, 1883
Nullosetigeridae Soh, Ohtsuka, Imabayashi & Suh, 1999