Zygophylax sagamiensis, HIROHITO, 1983

Gu, Zhangjie, Ruthensteiner, Bernhard, Moura, Carlos J., Liu, Lihua, Zhang, Rui & Song, Xikun, 2022, Systematic affinities of Zygophylacidae (Cnidaria: Hydrozoa: Macrocolonia) with descriptions of 15 deep-sea species, Zoological Journal of the Linnean Society (Zool. J. Linn. Soc.) 196, pp. 52-87 : 76-77

ZYGOPHYLAX CF. SAGAMIENSIS HIROHITO, 1983

( FIG. 18 )

Zygophylax sagamiensis Hirohito, 1983: 6 , 30–31, fig. 11; Rees & Vervoort, 1987: 85–86; Hirohito, 1995: 144, fig. 44a–e, pl. 9, fig. C; Vervoort & Watson, 2003: 69;

Watson, 2003: 160–161, fig. 10A–F; 2006: 245–247,

fig. 20.

Type locality: Sagami Bay , Japan ; 250–300 m.

Specimens examined: Two fertile and 10 infertile colonies from South China Sea; see details in Supporting Information, Table S1 .

Molecular sequences: 16S rRNA, 18S rRNA and COI genes (this study); see sequence details in Supporting Information, Table S3 .

Figures

Figure 18. Zygophylax cf. sagamiensis Hirohito, 1983. A, a colony; B, F, G, images of the same coppinia; C, alternate hydrothecae with one nematotheca (arrow); D, hydrothecae and nematothecae (arrows); E, magnification of a nematotheca; H, two (fused) gonothecae. From samples: A–H: XMUB8109, South China Sea. A–C, light microscope images; D–H, SEM images. Scale bars: A = 5 mm; B = 500 µm; C, D, F = 200 µm; E = 20 µm; G, H = 100 µm.