All Sea Slug & Nudibranch Species 544

Costasiella sp. 3

Costasiella sp. 4

Costasiella sp. 5

Costasiella sp. 6

Costasiella sp. 7

Costasiella usagi

M. Ichikawa, 1993

Costasiella vegae

M. Ichikawa, 1993

Panderevela hyllebergi

K. R. Jensen, 2021

Aplysiopsis minor

(Baba, 1959)

Aplysiopsis nigra

(Baba, 1949)

Aplysiopsis orientalis

(Baba, 1949)

Aplysiopsis sp. 1

Aplysiopsis toyamana

(Baba, 1959)

Hermaea noto

(Baba, 1959)

Cyerce bourbonica

Yonow, 2012

Cyerce nigra

Bergh, 1870

Cyerce nigricans

(Pease, 1866)

Cyerce pavonina

Bergh, 1888

Cyerce sp.11

Mourgona sp. 1

Polybranchia jensenae

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

Polybranchia orientalis

(Kelaart, 1858)

Sohgenia palauensis

Hamatani, 1991

Alderiopsis nigra

(Baba, 1937)

Placida barackobamai

McCarthy, Krug & Á. Valdés, 2017

Placida brookae

McCarthy, Krug & Á. Valdés, 2017

Placida cremoniana

(Trinchese, 1892)

Placida daguilarensis

K. Jensen, 1990

Placida kevinleei

McCarthy, Krug & Á. Valdés, 2017

Stiliger aureomarginatus

K. R. Jensen, 1993