All Sea Slug & Nudibranch Species 359

Oxynoe viridis

(Pease, 1861)

Julia exquisita

A. A. Gould, 1862

Ascobulla japonica

(Hamatani, 1969)

Volvatella angeliniana

M. Ichikawa, 1993

Volvatella sp. 2

Volvatella viridis

Hamatani, 1976

Elysia atroviridis

Baba, 1955

Elysia coodgeensis

Angas, 1864

Elysia crispata

Mörch, 1863

Elysia mercieri

(Pruvot-Fol, 1930)

Elysia nigrocapitata

Baba, 1957

Elysia sp.25

Elysia timida

(Risso, 1818)

Elysia yaeyamana

Baba, 1936

Thuridilla livida

(Baba, 1955)

Thuridilla splendens

(Baba, 1949)

Plakobranchus ocellatus

van Hasselt, 1824

Plakobranchus papua

Meyers-Muñoz & van der Velde, 2016

Costasiella formicaria

(Baba, 1959)

Costasiella fridae

Fernández-Simón & Moles, 2023

Aplysiopsis nigra

(Baba, 1949)

Hermaea wrangeliae

(M. Ichikawa, 1993)

Cyerce basi

K. Moreno, Gosliner, N. G. Wilson, Krug & Á. Valdés, 2025

Mourgona osumi

Hamatani, 1994

Polybranchia jensenae

Medrano, Krug, Gosliner, Biju Kumar & Á. Valdés, 2018

Sohgenia palauensis

Hamatani, 1991

Calliopaea pusilla

(Baba, 1968)

Ercolania kencolesi

Grzymbowski, Stemmer & Wagele, 2007

Ercolania sp. 1