U字彙

Uaru amphiacanthoides Heckel，1840
Uaru Heckel，1840

Ubidia magdalenensis Miles，1945
Ubidia Miles，1945

Ucla Holleman，1993
Ucla xenogrammus Holleman，1993

Uegitglanis Gianferrari，1923
Uegitglanis zammaranoi Gianferrari，1923

Ulaema Jordan & Evermann，1895
Ulaema lefroyi (Goode，1874)

Ulcina Cramer，1896
Ulcina olrikii (Lütken，1876)

ultimobranchial bodies
Umbridae；mud-minnows
undulating membrane of sperm cell
unfenestrated capillary walls
unicellular glands
unicorn
unicuspid
uniserial radia
unit membrane
unrestricted spermatogonial testis-type
upper jaw
ural vertebra
Uranoscopidae
Uranoscopidae；stargazers
Uranoscopoidae；stargazers
urea
ureosmotic animal
ureter
ureteric duct
uric acid
urohyal
Urolophidae；round sting rays
Urolophinae；round sting rays
urostyle
urotensin
utriculi macula
utriculolith
utriculus

Ulua aurochs (Ogilby，1915)；mirror-mouthed trevally
Ulua Jordan & Snyder，1908
Ulua mandibularis (Macleay，1882)；cale-cale trevally
Ulua mentalis (Cuvier，1833)
Ulua richardsoni Jordan & Snyder，1908

Ulvaria Jordan & Evermann，1896
Ulvaria subbifurcata (Storer，1839)；radiated shanny

Ulvicola Gilbert & Starks，1897
Ulvicola sanctaerosai Gilbert & Starks，1897；kelp gunnel

Umbra krameri Walbaum，1792；European mud minnow
Umbra Kramer，1777
Umbra limi (Kirtland，1840)；central mud-minnow
Umbra pygmaea (DeKay，1842)；eastern mud minnow

Umbrina analis Günther，1868
Umbrina broussonneti (Cuvier，1830)
Umbrina bussingi Lopez S.，1980
Umbrina canariensis Valenciennes，1843
Umbrina canosai Berg，18958
Umbrina cirrosa (Linnaeus，1758)
Umbrina coroides Cuvier，1830；sand drum
Umbrina Cuvier，1816
Umbrina dorsalis Gill，1862
Umbrina fuscolineata von Bonde，1923
Umbrina galapagorum Steindachner，1878
Umbrina milliae Miller，1971
Umbrina reedi Günther，1880
Umbrina roncador Jordan & Gilbert，1882；yellow fin croaker
Umbrina ronchus Valenciennes，1843
Umbrina steindachneri Cadenat，1951
Umbrina wintersteeni Walker & Radford，1992
Umbrina xanti Gill，1862

Uncisudis advena (Rofen，1963)
Uncisudis longirostra Maul，1956
Uncisudis Maul，1956
Uncisudis quadrimaculata (Post，1969)

unipolar nerve cell
unipolar neuron
unipolar rete mirabile

unpaired fin
unpaired fin musculature

Upeneichthys Bleeker，1855
Upeneichthys lineatus (Bloch & Schneider，1801)；red mullet
Upeneichthys porosus (Cuvier，1829)
Upeneichthys stotti (Hutchins，1990)

Upeneus arge Jordan & Evermann，1903 (＝Upeneus taeniopterus Cuvier，1829)
Upeneus asymmetricus Lachner，1954
Upeneus bensasi (Temminck & Schlegel，1843)；goat-fish，striped fin goatfish，bar tailed goatfish
Upeneus Cuvier，1829
Upeneus francisi Randall & Guézé，1992
Upeneus japonicus (Houttuyn，1782)
Upeneus luzonius Jordan & Seale，1907；Luzon goatfish
Upeneus moluccensis (Bleeker，1855)；golden banded goat-fish，Moluccan goatfish
Upeneus parvus Poey，1852；dwarf goatfish
Upeneus quodrilineatus Cheng & Wang，1963；four banded goatfish
Upeneus subvittatus (Temminck & Schlegel，1843)；black-stripled goat-fish，black edged goatfish
Upeneus sulphureus Cuvier，1829；goat-fish，yellow goatfish，sunrise goatfish
Upeneus sundaicus (Bleeker，1855)
Upeneus taeniopterus Cuvier，1829
Upeneus tragula Richardson，1846；bar-tailed goat-fish，black spotted goatfish
Upeneus vittatus (Forsskål，1775)；bar-tailed goat-fish，yellow banded goatfish
Upeneus xanthogrammus Gilbert，1892

Upsilodus Miranda-Ribeiro，1924
Upsilodus victori Miranda-Ribeiro，1924

Uradia Kamohara，1938
Uradia macrolepidota Kamohara，1938；big-scale sea-robin

Uranoscopus albesca Regan，1915
Uranoscopus archionema Regan，1921
Uranoscopus bicinctus Temminck & Schlegel，1843；black-banded stargazer，two spot stargazer
Uranoscopus cadenati Poll，1959
Uranoscopus chinensis Guichenot，1882；Chinese stargazer
Uranoscopus cognatus Cantor，1849
Uranoscopus dullfusi Bruss，1987
Uranoscopus flavipinnis Kishimoto，1987
Uranoscopus japonicus Houttuyn，1782；Japanese stargazer
Uranoscopus kaianus Günther，1880
Uranoscopus oligolepis Bleeker，1878；blue stargazer，yellow fin stargazer
Uranoscopus polli Cadenat，1951
Uranoscopus scaber Linnaeus，1758；stargazer
Uranoscopus sulphureus Valenciennes，1832
Uranoscopus terraereginae Ogilby，1910
Uranoscopus tosae (Jordan & Hubbs，1925)；Tosa stargazer

Uraspis Bleeker，1855 (＝Caranx)
Uraspis heidi Fowler，1938
Uraspis helvola (Forster，1801)；white tongue jack
Uraspis secunda (Poey，1860)；cotton mouth jack
Uraspis uraspis (Günther，1860)；cotton mouth king fish

urinary bladder
urinary duct
urinary organs
urinary orifice
urinary papilla
urinary pore
urinary sinus
urinary system

urine
urine formation

Urocampus carinirostris Castelnau，1872
Urocampus Günther，1870
Urocampus nanus Günther，1870；barbate pipefish
Urocampus rikuzenius Jordan & Snyder，1901；barbed pipe-fish

Uroconger erythraeus Castle，1982
Uroconger Kaup，1856
Uroconger lepturus (Richardson，1845)；long tail eel，slender conger eel
Uroconger syringinus Ginsburg，1954；thread tail conger

urogenital duct
urogenital gland
urogenital opening
urogenital organs
urogenital papilla
urogenital pore
urogenital sinus
urogenital tract

Urogymnus africanus (Bloch & Schneider，1801)；African sting ray
Urogymnus asperrimus (Bloch & Schneider，1801)
Urogymnus Müller & Henle，1837
Urogymnus natalensis (Gilchrist & Thompson，1911)

Urolophoides giganteus Lindberg，1930
Urolophoides Lindberg，1930 (＝Dasyatis Rafinesque，1810)

Urolophus armatus Müller & Henle，1841
Urolophus aurantiacus Müller & Henle，1841；sepia sting ray
Urolophus bucculentus Macleay，1884
Urolophus circularis McKay，1966
Urolophus concentricus (Osburn & Nichols，1916)
Urolophus cruciatus (Lacepède，1804)
Urolophus daviesi Wallace，1967 (＝Plesiobatis daviesi)；deep water sting ray
Urolophus expansus McCulloch，1916
Urolophus flavomosaicus Last & Gomon，1987
Urolophus gigas Scott，1954
Urolophus halleri Cooper，1863；round sting ray
Urolophus jamaicensis (Cuvier，1816)；yellow sting ray
Urolophus lobatus McKay，1966
Urolophus maculatus (Garman，1913)
Urolophus mitosis Last & Gomon，1987
Urolophus Müller & Henle，1837
Urolophus orarius Last & Gomon，1987
Urolophus paucimaculatus Dixon，1969
Urolophus sufflavus Whitley，1929
Urolophus viridis McCulloch，1916
Urolophus westraliensis Last & Gomon，1987

uroneural
uroneural bone

Urophycis blennoides (Brünnich，1768)
Urophycis brasiliensis (Kaup，1858)；Brasil hake
Urophycis chesteri (Goode & Bean，1896)；long fin hake
Urophycis chuss (Walbaum，1792)；red hake
Urophycis cirrata (Goode & Bean，1896)；gulf hake
Urophycis earllii (Bean，1880)；Caralina hake
Urophycis floridanus (Bean & Dresel，1884)；southern hake
Urophycis Gill，1863
Urophycis regia (Walbaum，1792)；spotted hake
Urophycis tenuis (Mitchill，1814)；white hake

urophysis neuorphysis spinalis caudalis
urophysis spinalis

Uropterygius bennettii (Günther，1870)
Uropterygius concolor Rüppell，1838；brown reef moray
Uropterygius fuscoguttatus Schultz，1953
Uropterygius goslinei McCosker & Randall，1977
Uropterygius insuentus (Whitley，1932)
Uropterygius kamar McCosker & Randall，1977
Uropterygius macrocephalus (Bleeker，1865)；large head reef-moray
Uropterygius macularius (LeSueur，1825)；marbled moray
Uropterygius marmoratus (Lacepède，1803)；marbled moray，starry marbled moray
Uropterygius micropterus (Bleeker，1852)；small fin reef moray
Uropterygius nagoensis Hatooka，1984；Okinawa reef-moray
Uropterygius okinawae Jordan & Snyder，1901
Uropterygius polyspilus (Regan，1909)
Uropterygius polystictus Myers & Wade，1941
Uropterygius Rüppell，1838
Uropterygius sealei Whitley，1932
Uropterygius supraforatus (Regan，1909)
Uropterygius versutus Bussing，1991
Uropterygius wheeleri Blache，1967
Uropterygius xanthopterus Bleeker，1859

Urotrygon aspidura (Jordan & Gilbert，1882)
Urotrygon chilensis (Günther，1871)
Urotrygon Gill，1863
Urotrygon goodei caudispinosus (Hildebrand，1946)
Urotrygon munda Gill，1863
Urotrygon nana Miyake & McEachran，1988
Urotrygon peruanus Hildebrand，1946
Urotrygon reticulata Miyake & McEachran，1988
Urotrygon rogersi (Jordan & Starks，1895)
Urotrygon serrula Hildebrand，1946
Urotrygon simulatrix Miyake & McEachran，1988

Ursinoscorpaenopsis kitai Nakabo & Yamada，1996
Ursinoscorpaenopsis Nakabo & Yamada，1996

uterus
uterus epithelium
uterus mucous membrane

Utiaritichthys longidorsalis Jégu，Tito de Morais & Mendes dos Santos，1992
Utiaritichthys Miranda-Ribeiro，1937
Utiaritichthys sennaebragai Miranda-Ribeiro，1937

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