Family Piscicolidae

Acipenserobdella (1)

• Acipenserobdella volgensis

Alexandrobdella (1)

• Alexandrobdella makhrovi Bolotov, Klass, Konopleva, Bespalaya, Gofarov, Kondakov & Vikhrev, 2020

Ambulobdella (1)

• Ambulobdella shandikovi Utevsky & Utevsky, 2018

Antarcticobdella (1)

• Antarcticobdella crozetensis Sawyer, 1972

Austrobdella (9)

• Austrobdella anoculata Moore & Sproston, 1940
• Austrobdella bilobata Ingram, 1957
• Austrobdella cairae Benz & Henningsen, 2016
• Austrobdella californica Burreson, 1977
• Austrobdella coliumicus Williams, Urrutia & Burreson, 2007
• Austrobdella losmolinensis Williams, Urrutia & Burreson, 2007
• Austrobdella oosthuizeni Utevsky, 2004
• Austrobdella rapax Verrill, 1873
• Austrobdella translucens Badham, 1916

Austroplatybdellina (1)

• Austroplatybdellina prodiga Utevsky, Utevsky, Cichocka, Bielecki, Santoro & Trontelj, 2023

Baicalobdella (2)

• Baicalobdella cottidarum Dogel & Bogolepova, 1957
• Baicalobdella torquata Grube, 1871

Bathybdella (1)

• Bathybdella sawyeri Burreson, 1981

Bdellamaris (2)

• Bdellamaris eptatreti Richardson, 1953
• Bdellamaris manteri Richardson, 1959

Beringobdella (1)

• Beringobdella rectangulata Oka, 1910

Branchellion (10)

• Branchellion angeli
• Branchellion australis
• Branchellion borealis Leigh-Sharpe, 1933
• Branchellion brevicaudatae Jimi & Nakano, 2023
• Branchellion lobata Moore, 1952
• Branchellion plicobranchus Raj, 1953
• Branchellion ravenelii
• Branchellion spindolaorum Ruiz-Escobar & Oceguera-Figueroa, 2019
• Branchellion torpedinis Savigny, 1822
• Branchellion tunisensis Youssef, Benmansour, Yurakhno & Mansour, 2024

Brumptiana (1)

• Brumptiana lineata Llewellyn & Knight-Jones, 1984

Calliobdella (4)

• Calliobdella knightjonesi Burreson, Ocean, sole & Girard, 1984
• Calliobdella lophii
• Calliobdella nodulifera
• Calliobdella punctata Beneden & Hesse, 1863

Caspiobdella (4)

• Caspiobdella caspica
• Caspiobdella fadejewi Epshtein, 1961
• Caspiobdella tuberculata Epshtein, 1966
• Caspiobdella volgensis

Ceratobdella (1)

• Ceratobdella quadricornuta Utevsky & Gordeev, 2015

Cochimibdella (1)

• Cochimibdella mexicana Ruiz-Escobar, Colunga-Ramírez, Oceguera-Figueroa & Castellanos-Martínez, 2025

Codonobdella (3)

• Codonobdella rufulus Kaygorodova & Matveenko, 2025
• Codonobdella tenebris Kaygorodova & Matveenko, 2025
• Codonobdella truncata Grube, 1873

Conphytobdella (1)

• Conphytobdella lineata

Cottobdella (1)

• Cottobdella epshteini Utevsky, 1997

Crangonobdella (2)

• Crangonobdella maculosa Utevsky, 2005
• Crangonobdella orientalis Utevsky, 1999

Cryobdella (5)

• Cryobdella antarctica Epshtein, 1970
• Cryobdella levigata Harding, 1922
• Cryobdella ljadovi Epshtein & Utevsky, 1994
• Cryobdella pallida Utevsky, 1997
• Cryobdella patagonica Ringuelet, 1945

Cystobranchus (4)

• Cystobranchus fasciatus Kollar, 1842
• Cystobranchus pawlowskii
• Cystobranchus respirans Perret, 1952
• Cystobranchus verrilli Meyer, 1940

Dolichobdella (1)

• Dolichobdella rubra Utevsky & Chernyshev, 2013

Dollfusobdella (1)

• Dollfusobdella kaikourae Burreson & Williams, 2008

Epsteinia (1)

• Epsteinia alba Epshtein, 1970

Galatheabdella (2)

• Galatheabdella bruuni Richardson & Meyer, 1973
• Galatheabdella epshteini Burreson, 2016

Ganymedebdella (1)

• Ganymedebdella cratere

Glyptonotobdella (1)

• Glyptonotobdella antarctica

Gonimosobdella (6)

• Gonimosobdella klemmi Williams & Burreson, 2005
• Gonimosobdella mammillatus
• Gonimosobdella meyeri
• Gonimosobdella salmositicus
• Gonimosobdella virginicus
• Gonimosobdella vivida Verrill, 1872

Hemibdella (2)

• Hemibdella branchiarum de Silva & Kabata, 1961
• Hemibdella soleae Van Beneden & Hesse, 1863

Heptacyclus (7)

• Heptacyclus brunneus Johansson, 1896
• Heptacyclus buthi Burreson & Kalman, 2006
• Heptacyclus cabrilloi Passarelli & Kim, 2012
• Heptacyclus diminutus Burreson, 1977
• Heptacyclus philothermus
• Heptacyclus scorpii Malm, 1863
• Heptacyclus viridis

Italobdella (2)

• Italobdella ciosi Bielecki, 1993
• Italobdella epshteini Bielecki, 1997

Janusion (5)

• Janusion bubali Srivastava, 1966
• Janusion nuda
• Janusion philotherma
• Janusion stellata
• Janusion yorki Srivastava, 1966

Johanssonia (4)

• Johanssonia arctica
• Johanssonia extrema Utevsky, Kovalchuk, Kovalchuk, Utevsky & Chernyshev, 2019
• Johanssonia kolaensis
• Johanssonia pantopodum Selensky, 1914

Leporinabdella (1)

• Leporinabdella digglesi Burreson & Williams, 2008

Limmotrachelobdella (1)

• Limmotrachelobdella sinensis

Limnotrachelobdella (2)

• Limnotrachelobdella okae Sawyer, 1986
• Limnotrachelobdella sinensis Sawyer, 1986

Lizabdella (1)

• Lizabdella africana Utevsky, 2007

Makarabdella (1)

• Makarabdella manteri Richardson, 1959

Marsipobdella (1)

• Marsipobdella sacculata Moore, 1952

Megaliobdella (1)

• Megaliobdella szidati Meyer & Burreson, 1990

Mooreobdellina (4)

• Mooreobdellina biannulata
• Mooreobdellina meyeri
• Mooreobdellina rugosa
• Mooreobdellina uschakovi

Mysidobdella (2)

• Mysidobdella borealis Selensky, 1927
• Mysidobdella californiensis Burreson, Kim & Kalman Passarelli, 2012

Myzobdella (4)

• Myzobdella lugubris Verrill, 1872
• Myzobdella platensis Cordero, 1933
• Myzobdella reducta Meyer, 1940
• Myzobdella uruguayensis Mane-Garzon, & Montero, 1977

Notobdella (1)

• Notobdella nototheniae Benham, 1909

Notostomum (2)

• Notostomum cyclostomum Johansson, 1898
• Notostomum laeve Levinsen, 1882

Nototheniobdella (1)

• Nototheniobdella sawyeri Utevsky, 1993

Oceanobdella (8)

• Oceanobdella alba
• Oceanobdella blennii Knight Jones, 1940
• Oceanobdella khani Burreson & Williams, 2004
• Oceanobdella microstoma Johansson, 1896
• Oceanobdella pallida Burreson, 1977
• Oceanobdella quadrioculata Malm, 1863
• Oceanobdella sakhalinica Utevsky, 2009
• Oceanobdella sexoculata

Orientobdella (2)

• Orientobdella confluens Burreson, 1977
• Orientobdella japonica

Ostreobdella (3)

• Ostreobdella californiana Burreson, Reece & Dunker, 2019
• Ostreobdella kakibir Oka, 1927
• Ostreobdella papillata Burreson, 1977

Oxytonostoma (1)

• Oxytonostoma typica Sawyer, 1986

Pawlowskiella (1)

• Pawlowskiella stenosa Bielecki, 1997

Phyllobdellina (1)

• Phyllobdellina kozatshenkoi Epshtein, Utevsky, 1993

Phytobdella (4)

• Phytobdella catenifera Moore, 1938
• Phytobdella maculosa Moore, 1944
• Phytobdella meyeri Blanchard, 1894
• Phytobdella moluccensis

Piscicola (25)

• Piscicola annae Bielecki, 1997
• Piscicola borowieci Bielecki, 1997
• Piscicola brylinskae
• Piscicola burresoni Bielecki, Cichocka, Świątek & Gorzel, 2013
• Piscicola caeca Kaburaki, 1921
• Piscicola elishebae Bielecki, 1997
• Piscicola fasciata Kollar, 1842
• Piscicola geometra Linnaeus, 1758
• Piscicola hadzii Sket, 1985
• Piscicola haranti Jarry, 1960
• Piscicola jarai Bielecki, 1997
• Piscicola khubsugulensis Kaygorodova, 2023
• Piscicola kusznierzi Bielecki, 1997
• Piscicola magna Yang Tong, 1818
• Piscicola margaritae Bielecki, 1997
• Piscicola milneri
• Piscicola niewiadomskae Bielecki, 1997
• Piscicola nordica Kaygorodova, 2023
• Piscicola olivacea Harding, 1920
• Piscicola pojmanskae Bielecki, 1994
• Piscicola pomorskii Bielecki, 1997
• Piscicola punctata
• Piscicola sibirica Kaygorodova, 2023
• Piscicola wiktorii
• Piscicola witkowskii Bielecki, 1997

Platybdella (5)

• Platybdella anarrhichae Diesing, 1859
• Platybdella fabricii Malm, 1863
• Platybdella olriki Malm, 1865
• Platybdella patagonica Ringuelet, 1945
• Platybdella pinnarum

Pleurobdella (2)

• Pleurobdella australis
• Pleurobdella varituberculata

Pontobdella (12)

• Pontobdella aculeata Harding, 1924
• Pontobdella afra Baird, 1869
• Pontobdella californiana Burreson & Passarelli, 2015
• Pontobdella leucothela Schmarda, 1861
• Pontobdella macrothela Schmarda, 1861
• Pontobdella moorei Oka, 1910
• Pontobdella muricata Linnaeus, 1758
• Pontobdella novaezealandiae Burreson & Williams, 2008
• Pontobdella oligothela Schmarda, 1861
• Pontobdella prionodiscus Schmarda, 1861
• Pontobdella variegata Baird, 1869
• Pontobdella vosmaeri Apáthy, 1888

Pontobdellina (1)

• Pontobdellina macrothela

Pterobdella (6)

• Pterobdella amara Kaburaki, 1921
• Pterobdella arugamensis
• Pterobdella fuqingensis Yang, 2002
• Pterobdella leiostomi
• Pterobdella occidentalis Goffredi, Appy, Burreson & Sakihara, 2023
• Pterobdella platycephali Ingram, 1957

Richardsonobdella (1)

• Richardsonobdella lineatae Burreson & Dybdahl, 1989

Taimenobdella (1)

• Taimenobdella amurensis Furiness, Williams, Nagasawa & Burreson, 2007

Trachelobdella (8)

• Trachelobdella australis Blanchard, 1900
• Trachelobdella bathyrajae Meyer & Burreson 1990
• Trachelobdella leptocephali Ingram, 1957
• Trachelobdella livanovi
• Trachelobdella lubrica
• Trachelobdella maculata Moore, 1898
• Trachelobdella oregonensis Burreson, 1976
• Trachelobdella rugosa Moore, 1898

Trachelobdellina (1)

• Trachelobdellina glabra Moore, 1957

Trulliobdella (2)

• Trulliobdella bacilliformis
• Trulliobdella capitis Brinkmann, 1947

Zeylanicobdella (1)

• Zeylanicobdella arugamensis Silva, 1963