Uc
- Uca
Ucides Rathbun, 1897
- Ucides cordatus (Linnaeus, 1763)
- Ucides occidentalis (Ortmann, 1897)
Crustacea → Malacostraca → Decapoda → Thoracotremata → Ocypodoidea → Ucididae
Porodica Ucididae Števčić, 2005
- Ucides Rathbun, 1897
Crustacea → Malacostraca → Decapoda → Thoracotremata → Ocypodoidea
Ue
- Uenasellus
Uh
- Uhlias
- Uhlorchestia
Ul
- Ulakanthura
- Uluguroscia
Um
Umalia Guinot, 1993
- Umalia chinensis (Chen & Sun, 2002)
- Umalia horikoshii (Takeda, 1975)
- Umalia misakiensis (Sakai, 1937)
- Umalia orientalis (Sakai, 1963)
- Umalia ovalis (Henderson, 1888)
- Umalia tenuiocellus (Davie & Short, 1989)
- Umalia trirufomaculata (Davie & Short, 1989)
Crustacea → Malacostraca → Decapoda → Podotremata → Raninoidea → Raninidae → Notopodinae
Ucžn
- Uncinocythere
- Unciola
- Unciolella
- Undeuchaeta
- Undinella
- Undinula
- Unguispinosus
- Unicolax
- Unitanaissus
Up
Upogebia Leach, 1814
- Upogebia acanthops Williams, 1986
- Upogebia acanthura (Coêlho, 1973)
- Upogebia acarinicauda Sakai, 2006
- Upogebia adamanensis Sakai, 2015
- Upogebia aestuari Williams, 1993
- Upogebia affinis (Say, 1818)
- Upogebia africana (Ortmann, 1894)
- Upogebia allobranchus Ngoc-Ho, 1991
- Upogebia allspachi Sakai, 2006
- Upogebia amboinensis (de Man, 1888)
- Upogebia anacanthus Ngoc-Ho, 1994
- Upogebia ancylodactyla de Man, 1905
- Upogebia annae Thistle, 1973
- Upogebia aquilina Williams, 1993
- Upogebia aristata Le Loeuff & Intes, 1974
- Upogebia assisi Barnard, 1947
- Upogebia australiensis de Man, 1927
- Upogebia australis Thatje & Gerdes, 2000
- Upogebia baldwini Williams, 1997
- Upogebia balmaorum Ngoc-Ho, 1990
- Upogebia balssi de Man, 1927
- Upogebia barbata (Strahl, 1862)
- Upogebia baweana Tirmizi & Kazmi, 1979
- Upogebia borradailei Sakai, 1982
- Upogebia bowerbankii (Miers, 1884)
- Upogebia brasiliensis Holthuis, 1956
- Upogebia brucei Sakai, 1975
- Upogebia burkenroadi Williams, 1986
- Upogebia capensis (Krauss, 1843)
- Upogebia careospina Williams, 1993
- Upogebia cargadensis Borradaile, 1910
- Upogebia carinicauda (Stimpson, 1860)
- Upogebia casis Williams, 1993
- Upogebia corallifora Williams & Scott, 1989
- Upogebia cortesi Williams & Vargas, 2000
- Upogebia crosnieri Le Loeuff & Intes, 1974
- Upogebia darwinii (Miers, 1884)
- Upogebia dawsoni Williams, 1986
- Upogebia deltaura (Leach, 1815)
- Upogebia demani de Saint Laurent & Le Loeuff, 1979
- Upogebia digitina (Sakai, 1975)
- Upogebia dromana Poore & Griffin, 1979
- Upogebia felderi Williams, 1993
- Upogebia fijiensis Sakai, 1982
- Upogebia furcata (Aurivillius, 1898)
- Upogebia galapagensis Williams, 1986
- Upogebia hertwecki Sakai & Türkay, 2012
- Upogebia hexaceras (Ortmann, 1894)
- Upogebia hirtifrons (White, 1847)
- Upogebia holthuisi Sakai, 1982
- Upogebia imperfecta Sakai, 1982
- Upogebia inomissa Williams, 1993
- Upogebia intermedia (de Man, 1888)
- Upogebia iriomotensis Sakai & Hirano, 2006
- Upogebia issaeffi (Balss, 1913)
- Upogebia jacobseni Sakai, 2015
- Upogebia jamaicensis Thistle, 1973
- Upogebia jiaruii Liu, 2015
- Upogebia jonesi Williams, 1986
- Upogebia kempi Shenoy, 1967
- Upogebia kuekenthali Sakai, 1982
- Upogebia laemanu Ngoc-Ho, 1990
- Upogebia lenzrichtersi Sakai, 1982
- Upogebia lepta Williams, 1986
- Upogebia lincolni Ngoc-Ho, 1977
- Upogebia longicauda Sakai, 1975
- Upogebia longipollex (Streets, 1871)
- Upogebia maccraryae Williams, 1986
- Upogebia macginitieorum Williams, 1986
- Upogebia major (De Haan, 1841)
- Upogebia marina Coêlho, 1973
- Upogebia mediterranea Noël, 1992
- Upogebia miyakei Sakai, 1967
- Upogebia molipollex Williams, 1993
- Upogebia mortenseni Sakai, 2006
- Upogebia neglecta de Man, 1927
- Upogebia nitida (A.Milne-Edwards, 1868)
- Upogebia noronhensis Fausto-Filho, 1969
- Upogebia octoceras (Nobili, 1904)
- Upogebia omissa Gomes Corrêa, 1968
- Upogebia omissago Williams, 1993
- Upogebia onychion Williams, 1986
- Upogebia osiridis Nobili, 1904
- Upogebia ovalis Ngoc-Ho, 1991
- Upogebia paraffinis Williams, 1993
- Upogebia pillsbury Williams, 1993
- Upogebia poensis de Saint Laurent & Ngoc-Ho, 1979
- Upogebia pseudochelata Tattersall, 1921
- Upogebia pugettensis (Dana, 1852)
- Upogebia pugnax de Man, 1905
- Upogebia pusilla (Petagna, 1792)
- Upogebia quddusiae Tirmizi & Ghani, 1978
- Upogebia ramphula Williams, 1986
- Upogebia rostrospinosa Bott, 1955
- Upogebia ruiyui Liu, 2015
- Upogebia saigusai Sakai & Hirano, 2006
- Upogebia saintlaurentae Ngoc-Ho, 2008
- Upogebia sakaii Ngoc-Ho, 1994
- Upogebia savignyi (Strahl, 1862)
- Upogebia schmitti Williams, 1986
- Upogebia senegalensis Ngoc-Ho, 2001
- Upogebia seychellensis Sakai, 1982
- Upogebia shenchiajuii Yu, 1931
- Upogebia snelliusi Ngoc-Ho, 1989
- Upogebia spinidactylus Sakai & Hirano, 2006
- Upogebia spinigera (Smith, 1871)
- Upogebia spinimanus Ngoc-Ho, 1994
- Upogebia spinistipula Williams & Heard, 1991
- Upogebia spongium Sakai, 1975
- Upogebia srilankaensis Sakai, 2006
- Upogebia stellata (Montagu, 1808)
- Upogebia stenorhynchus Ngoc-Ho, 1991
- Upogebia tenuipollex Williams, 1986
- Upogebia thistlei Williams, 1986
- Upogebia tipica (Nardo, 1869)
- Upogebia toralae Williams & Hernández-Aguilera, 1998
- Upogebia tractabilis Hale, 1941
- Upogebia vargasae Williams, 1997
- Upogebia variana Sakai, 2011
- Upogebia vasquezi Ngoc-Ho, 1989
- Upogebia veleronis Williams, 1986
- Upogebia yokoyai Makarov, 1938
Crustacea → Malacostraca → Decapoda → Pleocyemata → Gebiidea → pogebiidae
Porodica Upogebiidae Borradaile, 1903
- Acutigebia Sakai, 1982
- Aethogebia Williams, 1993
- Arabigebicula Sakai, 2006
- Austinogebia Ngoc-Ho, 2001
- Gebiacantha Ngoc-Ho, 1989
- Gebicula Alcock, 1901
- Mantisgebia Sakai, 2006
- Neogebicula Sakai, 1982
- Paragebicula Sakai, 2006
- Pomatogebia Williams & Ngoc-Ho, 1990
- Tuerkayogebia Sakai, 1982
- Upogebia Leach, 1814
- Wolffogebia Sakai, 1982
Crustacea → Malacostraca → Decapoda → Pleocyemata → Gebiidea
Upogebione Markham, 1985
- Upogebione bidigitatus An, Williams & Yu, 2009
- Upogebione ovalis (Nierstrasz & Brender à Brandis, 1931)
- Upogebione phuketensis Markham, 1985
- Upogebione tropica (Lemos de Castro & Brasil Lima, 1975)
Crustacea → Malacostraca → Isopoda → Epicaridea → Bopyroidea → Bopyridae → Pseudioninae
Upogebiophilus Nobili, 1906
- Upogebiophilus rhadames Nobili, 1906
Crustacea → Malacostraca → Isopoda → Epicaridea → Bopyroidea → Bopyridae → Pseudioninae
Upselaspis Jones, 1955
- Upselaspis caparti (Fage, 1951)
Crustacea → Malacostraca → Decapoda → Cumacea → Bodotriidae → Bodotriinae
Ur
- Uramba
- Uramphisopus
- Urashima
- Urias
- Uristes
- Uristidae
- Urnalana
- Urobopyrus
- Urocaridella
- Urocopia
- Urocopiidae
- Urocopiidae
- Uromunna
- Uroptychodes
- Uroptychus
- Urothoe
- Urothoidae
- Urothoides
- Urstylidae
- Urstylis
- Uruma
Us
- Uschakoviella
Ut
- Utica
- Utinomiella
- Utopioniscus
†Utsatia
Animalia → Arthropoda → Crustacea → Ostracoda