Systematic affinities of Zygophylacidae (Cnidaria: Hydrozoa: Macrocolonia) with descriptions of 15 deep-sea species Author Gu, Zhangjie Author Ruthensteiner, Bernhard Author Moura, Carlos J. Author Liu, Lihua Author Zhang, Rui Author Song, Xikun text Zoological Journal of the Linnean Society 2022 Zool. J. Linn. Soc. 2022-06-17 196 52 87 http://zoobank.org/22984f44-21e0-43ab-9d46-547c8306448a journal article 133182 10.1093/zoolinnean/zlac036 f1c43083-ab5f-4130-82f0-0418e8954791 0024-4082 7035312 22984F44-21E0-43AB-9D46-547C8306448A ZYGOPHYLAX ABYSSICOLA ( STECHOW, 1926 ) ( FIGS 3 , 4 , 5A–F ) Lictorella abyssicola Stechow, 1926: 99 ; Ruthensteiner et al. , 2008: 19 . Zygophylax abyssicola: Rees & Vervoort, 1987: 76 ; Galea & Schuchert, 2019: 59 . ? Zygophylax bifurcata Billard, 1942: 34–35 , figs 1–3. Type locality: Somalia , near Mogadishu, north-west Indian Ocean; 1644 m . Specimens examined: Eight syntypes from the Indian Ocean, four of them with gonothecae; see details in Supporting Information, Table S1 . Lectotype designation: Lectotype , a fertile, formalinfixed then ethanol-preserved colony, ZSM 20040197 ( Fig. 3A , arrow); paralectotypes , the remaining colonies from sample ZSM 20040197 ( Fig. 3A , the left colony, G), ZSM 20040726 ( Fig. 3A , the right colony, D), formalinfixed then ethanol stored, ZSM 20043537–20043542 ( Figs 3B, C, E, F, H, I , 5A–F ), microslides .