URN	URN
Urocampus carinirostris	Urocampus carinirostris
Uroconger lepturus	Uroconger lepturus
Urogymnus asperrimus	Urogymnus asperrimus
Urogymnus natalensis	Urogymnus natalensis
Urolophidae	Urolophidae
Urolophus armatus	Urolophus armatus
Urolophus aurantiacus	Urolophus aurantiacus
Urolophus bucculentus	Urolophus bucculentus
Urolophus circularis	Urolophus circularis
Urolophus concentricus	Urolophus concentricus
Urolophus cruciatus	Urolophus cruciatus
Urolophus expansus	Urolophus expansus
Urolophus flavomosaicus	Urolophus flavomosaicus
Urolophus gigas	Urolophus gigas
Urolophus halleri	Urolophus halleri
Urolophus jamaicensis	Urolophus jamaicensis
Urolophus lobatus	Urolophus lobatus
Urolophus maculatus	Urolophus maculatus
Urolophus mitosis	Urolophus mitosis
Urolophus orarius	Urolophus orarius
Urolophus paucimaculatus	Urolophus paucimaculatus
Urolophus spp	Urolophus spp
Urolophus sufflavus	Urolophus sufflavus
Urolophus testaceus	Urolophus testaceus
Urolophus viridis	Urolophus viridis
Urolophus westraliensis	Urolophus westraliensis
Urophycis brasiliensis	Urophycis brasiliensis
Urophycis chuss	Urophycis chuss
Urophycis cirrata	Urophycis cirrata
Urophycis earllii	Urophycis earllii
Urophycis floridana	Urophycis floridana
Urophycis regia	Urophycis regia
Urophycis tenuis	Urophycis tenuis
Uropterygius macrocephalus	Uropterygius macrocephalus
Uroteuthis bartschi	Uroteuthis bartschi
Urotrygon aspidura	Urotrygon aspidura
Urotrygon chilensis	Urotrygon chilensis
Urotrygon microphthalmum	Urotrygon microphthalmum
Urotrygon munda	Urotrygon munda
Urotrygon nana	Urotrygon nana
Urotrygon reticulata	Urotrygon reticulata
Urotrygon rogersi	Urotrygon rogersi
Urotrygon simulatrix	Urotrygon simulatrix
UROV	UROV Untethered Remote Operated Vehicle
Ursus maritimus	Ursus maritimus
urudūgo	Indic
Ｕ．Ｓ．	United States of America U.S.A. United States USA U.S. US America the States
ＵＳ	U.S.A. United States USA U.S. America US the States United States of America
US-1	ShinMaywa US-1A
日本語	English