Plakobranchoidea Gray, 1840

Chow, Lai Him, Yu, Vriko Pik Fan, Kho, Zi Yi, See, Gomen Chun Lung, Wang, Adam, Baker, David M. & Tsang, Ling Ming, 2022, Garypus sanasai Lin, Huang & Chang 2022, sp. nov., Zoological Studies 61 (52), pp. 1-33 : 26

Superfamily Plakobranchoidea Gray, 1840 Family Costasiellidae Clark, 1984

230. Costasiella coronata Swennen, 2007

Previous HK record: Jensen et al. (2014). Distribution: western Pacific ( Hong Kong, Thailand) ( Swennen 2007; Jensen et al. 2014). 231. Costasiella cf. kuroshimae Ichikawa, 1993 * ( Fig. 10G )

Previous HK record: None.

232. Costasiella pallida K. R. Jensen, 1985

Previous HK record: Jensen (1985 1990 1998 2003).

Distribution: western Pacific ( Hong Kong, Thailand) ( Jensen 2003).

Figures

Fig. 10. (A) Gastropteron minutum; (B) Siphopteron makisig; (C) Philine paucipapillata; (D) Paromoionchis tumidus; (E) Lobiger sagamiensis; (F) Oxynoe viridis; (G) Costasiella cf. kuroshimae; (H) Ercolania boodleae; (I) Placida daguilarensis; (J) Placida kevinleei; (K) Stiliger ornatus; (L) Elysia flavomacula; (M) Elysia cf. japonica; (N) Elysia leucolegnote; (O) Elysia marginata; (P) Elysia obtusa; (Q) Elysia trisinuata; (R) Elysia verrucosa. Photographs by Alice Au (A), AFCD | Kevin Kin Chung Leung (B), Tim Lam (C, H–K), Chandler Tsang (D), AFCD (E, F, M, Q), Grape Tang (G), Gomen See (L), Sunny Chan (N), AFCD | Joseph Leung (O), Markus Rummel (P) and Simon Lorenz (R).