Class: Gastropoda  Cuvier, 1797
Subclass:  Heterobranchia  J.E. Gray, 1840
Clade:  Euthyneura  Spengel, 1881
Superorder:  Panpulmonata  Jörger et al., 2010
Order:  Sacoglossa  von Ihering, 1876
Subclade:  Oxynoacea  Odhner, 1939

Superfamily:  Oxynooidea  Stoliczka, 1868 (1847)
Family:  Oxynoidae  Stoliczka, 1868 (1847)

Lobiger viridis

Oxynoe kylei

Oxynoe viridis

Family:  Volvatellidae  Pilsbry, 1895

Ascobulla fischeri

Suborder:  Plakobranchacea  Jensen, 1996

Superfamily:  Limapontioidea  J.E. Gray, 1847
Family:  Limapontiidae  J.E. Gray, 1847

Costasiella kuroshimae

Costasiella sp. 03

Placida daguilarensis

Superfamily:  Plakobranchoidea  J.E. Gray, 1840
Family:  Plakobranchidae  J.E.Gray, 1840

Elysia bangtawaensis	Elysia hirasei	Elysia marginata	Elysia pusilla	Elysia tomentosa
Plakobranchus ocellatus	Thuridilla bayeri