Plumatella reticulata Wood, 1988

Chae, Hyun Sook, Kil, Hyun Jong & Seo, Ho Jin Yang and Ji Eun, 2024, Freshwater bryozoans of Korea-observations on living colonies and three new records, Journal of Species Research 13 (1), pp. 50-60 : 56

* 9. Plumatella reticulata Wood, 1988 ( Fig. 7 ) ƎḎẍūḓ끼ḇNj (ljḡ)

Plumatella reticulata Wood, 1988: 102 , figs. A- E; Massard et al., 1992: 203, figs. 2-7; Wood and Okamura, 2005: 49, 84, fig. 19.

Material examined. Yeoju Weir, 10 June 2016; NIBRIV0000777400, NIBRIV0000777401, Gongju Weir, 8 June 2016.

Substratum. Wood.

Description. Sessoblasts round to oval, 287 μm long by 201 μm wide, dark reticulated irregular ridges on frontal fenestra ( Fig. 7A, B ). Annulus smooth, on upper side ( Fig. 7C ). Lateral wall reticulation ( Fig. 7D ).

Remarks. Only sessoblasts without colony were found in this study. The sessoblast of this species is unique in shape in having dark reticulated irregular ridges on the frontal fenestra.

Distribution. Korea, Japan, North America, Israel, and Australia.

Figures

Fig. 7. Plumatella reticulata Wood 1988.A, Sessoblasts; B, Reticulated irregular ridges on the frontal fenestra of A; C, Annulus; D, Lateral wall, sessoblast. Scale bars: A=100 μm, B, C=50μm, D=30μm.