Superfamily Fionoidea 251 species

Launsina rubropurpurata

(Gosliner & Willan, 1991)

Launsina tanyae

Ekimova, Carmona, Mikhlina, Grishina, Stanovova, Schepetov, Hoover, De Souza-Canal, K. O. Kuznetsov & Á. Valdés, 2026

Flabellina affinis

(Gmelin, 1791)

Flabellina cavolini

(Vérany, 1846)

Flabellina gabinierei

(Vicente, 1975)

Edmundsella pedata

(Montagu, 1816)

Edmundsella sp. 1

Coryphellina aurora

Ekimova, Deart, Antokhina, Mikhlina & Schepetov, 2022

Coryphellina delicata

(Gosliner & Willan, 1991)

Coryphellina exoptata

(Gosliner & Willan, 1991)

Coryphellina flamma

Ekimova, Deart, Antokhina, Mikhlina & Schepetov, 2022

Coryphellina iurmanovi

Korshunova, Fletcher & Martynov, 2025

Coryphellina lotos

Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, H. Saito, Lundin, Schrödl & Picton, 2017

Coryphellina pannae

Ekimova, Deart, Antokhina, Mikhlina & Schepetov, 2022

Coryphellina poenicia

(Burn, 1957)

Coryphellina pseudolotos

Ekimova, Deart, Antokhina, Mikhlina & Schepetov, 2022

Coryphellina rubrolineata

O'Donoghue, 1929

Coryphellina sp. 1

Coryphellina sp. 2

Coryphellina sp. 3

Coryphellina sp. 4

Coryphellina sp. 5

Coryphellina sp. 7

Coryphellina sp. 8

Coryphellina spp.

Chlamylla borealis orientalis

(Volodchenko, 1941)

Chlamylla ignicrystalla

(Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, H. Saito, Lundin, Schrödl & Picton, 2017)

Coryphella amabilis

(Y. Hirano & Kuzirian, 1991)

Coryphella athadona

Bergh, 1875

Coryphella falklandica

Eliot, 1907

Coryphella lineata

(Lovén, 1846)

Coryphella pseudoverrucosa

Martynov, Sanamyan & Korshunova, 2015

Coryphella trilineata

O'Donoghue, 1921

Flabellinopsis iodinea

(J. G. Cooper, 1863)

Luisella babai

(Schmekel, 1972)

Samla bicolor

(Kelaart, 1858)

Samla bilas

(Gosliner & Willan, 1991)

Samla macassarana

(Bergh, 1905)

Samla riwo

(Gosliner & Willan, 1991)

Samla sp. 1

Samla sp. 2

Samla sp. 3

Samla takashigei

Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, H. Saito, Lundin, Schrödl & Picton, 2017

Apata pricei komandorica

Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, H. Saito, Lundin, Schrödl & Picton, 2017

Apata sp. 1

Unidentia aliciae

Korshunova, Mehrotra, Sp. Arnold, Lundin, Picton & Martynov, 2019

Unidentia angelvaldesi

Millen & Hermosillo, 2012

Unidentia kiku

Korshunova, Fletcher & Martynov, 2025

Unidentia nihonrossija

Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, H. Saito, Lundin, Schrödl & Picton, 2017

Unidentia sandramillenae

Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, H. Saito, Lundin, Schrödl & Picton, 2017

Unidentia sp. 1

Unidentia sp. 2

Unidentia sp. 5

Unidentia spp.

Fiona pinnata

(Eschscholtz, 1831)

Tergiposacca longicerata

Cella, Carmona, Ekimova, Chichvarkhin, Schepetov & Gosliner, 2016

Tergiposacca perspicua

Fernández-Simón & Moles, 2023

Subcuthona pallida

Baba, 1949

Subcuthona sp. 1

Tergipes tergipes

(Forsskål, 1775)

Cuthona divae

(Er. Marcus, 1961)

Cuthona hermitophila

Martynov, Sanamyan & Korshunova, 2015

Cuthona perca

(Er. Marcus, 1958)

Nella osyoro

(Baba, 1940)

Nella soboli

(Martynov, 1992)

Eubranchus cf. leopoldoi

Caballer, Ortea & Espinosa, 2001

Eubranchus echizenicus

Baba, 1975

Eubranchus inabai

Baba, 1964

Eubranchus mimeticus

Baba, 1975

Eubranchus ocellatus

(Alder & Hancock, 1864)

Eubranchus sp. 1

Eubranchus sp. 2

Eubranchus sp. 3

Eubranchus sp. 5

Eubranchus sp. 8

Eubranchus sp. 9

Eubranchus sp.10

Eubranchus sp.11

Eubranchus sp.13

Eubranchus sp.14

Eubranchus sp.15

Eubranchus sp.16

Eubranchus sp.17

Eubranchus sp.18

Eubranchus sp.21

Eubranchus sp.22

Eubranchus sp.23

Eubranchus sp.24

Eubranchus sp.25

Eubranchus sp.26

Eubranchus sp.27

Eubranchus sp.28

Eubranchus sp.29

Eubranchus sp.30

Eubranchus sp.31

Eubranchus sp.32

Eubranchus sp.33

Eubranchus sp.34

Eubranchus sp.35

Eubranchus sp.36

Eubranchus sp.37

Eubranchus sp.38

Eubranchus sp.39

Leostyletus misakiensis

(Baba, 1960)

Leostyletus spp.

Nihonbranchus horii

(Baba, 1960)

Longibranchus putnami

(Fernández-Simón & Moles, 2023)

Produnga rubropunctata

(Edmunds, 1969)

Annulorhina mandapamensis

K. P. Rao, 1968

Capellinia doriae

Trinchese, 1874

Capellinia vittata

(Alder & Hancock, 1842)

Corruptobranchus malakhovi

(Ekimova, Mikhlina, Vorobyeva, Antokhina, Tambovtseva & Shepetov, 2021)

Eubranchopsis virginalis

Baba, 1949

Trinchesiidae sp. 1

Trinchesiidae sp. 2

Trinchesiidae sp. 3

Trinchesiidae sp. 4

Phestilla fuscostriata

J.T. Hu, Y.J. Zhang, J. Y. Xie & J.W. Xiu, 2020

Phestilla goniophaga

Hu, Zhang, Yiu, Xie & Qiu, 2020

Phestilla lugubris

(Bergh, 1870)

Phestilla melanobrachia

Bergh, 1874

Phestilla minor

Rudman, 1981

Phestilla poritophages

(Rudman, 1979)

Phestilla sp. 3

Phestilla sp. 4

Phestilla viei

Mehrotra, Caballer & Chavanich, 2020

Catriona alpha

(Baba & Hamatani, 1963)

Catriona columbiana

(O'Donoghue, 1922)

Catriona lucerna

Korshunova, Martynov, Lundin & Malmberg, 2022

Catriona osezakiensis

Martynov, Korshunova, Lundin, Malmberg, 2022

Catriona pinnifera

(Baba, 1949)

Catriona signifera

Baba, 1961

Catriona sp. 2

Catriona venusta

(Baba, 1949)

Diaphoreolis viridis

(Forbes, 1840)

Tenellia anulata

(Baba, 1949)

Tenellia beta

(Baba & Abe, 1964)

Tenellia futairo

(Baba, 1963)

Tenellia kuiterorum

(Rudman, 1981)

Tenellia nakapila

A. Y. Kim & Gosliner, 2024

Tenellia ornata

(Baba, 1937)

Tenellia pupillae

(Baba, 1961)

Tenellia sibogae

(Bergh, 1905)

Tenellia sp. 2

Tenellia sp. 3

Tenellia sp. 4

Tenellia sp. 5

Tenellia sp. 6

Tenellia sp. 7

Tenellia sp. 8

Tenellia sp. 9

Tenellia sp.10

Tenellia sp.11

Tenellia sp.12

Tenellia sp.13

Tenellia sp.14

Tenellia sp.15

Tenellia sp.16

Tenellia sp.17

Tenellia sp.18

Tenellia sp.19

Tenellia sp.20

Tenellia sp.21

Tenellia sp.22

Tenellia sp.23

Tenellia sp.24

Tenellia sp.25

Tenellia sp.26

Tenellia sp.27

Tenellia sp.28

Tenellia sp.29

Tenellia sp.30

Tenellia sp.31

Tenellia sp.32

Tenellia sp.33

Tenellia sp.34

Tenellia sp.35

Tenellia sp.36

Tenellia sp.42

Tenellia sp.43

Tenellia sp.44

Tenellia sp.45

Tenellia sp.46

Tenellia sp.47

Tenellia sp.48

Tenellia sp.49

Tenellia sp.50

Tenellia sp.64

Tenellia sp.65

Tenellia sp.68

Tenellia sp.69

Tenellia sp.70

Tenellia sp.71

Tenellia sp.72

Tenellia sp.73

Tenellia sp.74

Tenellia sp.75

Tenellia sp.76

Tenellia sp.77

Tenellia sp.78

Tenellia sp.79

Tenellia sp.80

Tenellia sp.81

Tenellia sp.82

Tenellia sp.83

Tenellia sp.84

Tenellia sp.85

Tenellia sp.89

Tenellia sp.90

Tenellia sp.91

Tenellia sp.92

Tenellia sp.93

Tenellia sp.95

Tenellia sp.97

Tenellia akibai

(Baba, 1984)

Tenellia sp.40

Tenellia sp.41

Tenellia acinosa

(Risbec, 1928)

Tenellia puellula

(Baba, 1955)

Tenellia sp.37

Tenellia sp.38

Tenellia sp.39

Tenellia sp.60

Tenellia sp.61

Tenellia sp.62

Tenellia sp.63

Tenellia sp.66

Tenellia sp.67

Tenellia bughaw

A. Y. Kim & Gosliner, 2024

Tenellia diversicolor

(Baba, 1975)

Tenellia puti

A. Y. Kim & Gosliner, 2024

Tenellia sp.51

Tenellia sp.52

Tenellia sp.53

Tenellia sp.54

Tenellia sp.55

Tenellia sp.56

Tenellia sp.57

Tenellia sp.58

Tenellia sp.59

Tenellia yamasui

(Hamatani, 1993)

Tenellia adspersa

(von Nordmann, 1845)

Tenellia sp. 1

Abronica payaso

A. Y. Kim & Gosliner, 2024

Abronica purpureoanulata

(Baba, 1961)

Abronica sp. 1

Abronica sp. 2

Abronica sp. 4

Abronica sp. 5

Abronica turon

A. Y. Kim & Gosliner, 2024

Pinufius rebus

Er. Marcus & Ev. Marcus, 1960