Eukaryota  >  Metazoa

Family	Genus	Species
Tripylidae	3	50
Tripyloididae	2	59
Trischistomatidae	2	39
Trissexodontidae	8	73
Tristiridae	5	6
Triticellidae	1	3
Tritoniidae	12	76
Triviidae	4	15
Trochanteriidae	4	11
Trochidae	54	231
Trochilidae	120	371
Trochochaetidae	1	4
Trochometridiidae	1	1
Trochomorphidae	6	28
Troctopsocidae	3	4
Trogidae	4	97
Trogiidae	3	10
Trogloraptoridae	1	6
Troglosironidae	1	23
Troglotrematidae	6	65
Trogonidae	7	40
Trogonophidae	4	6
Trogossitidae	20	73
Trogulidae	6	47
Trombellidae	2	2
Trombiculidae	30	131
Trombidiidae	3	394
Tropidophiidae	5	30
Tropiduchidae	25	44
Tropiometridae	1	5
Trouessartiidae	3	96
Truncatellidae	2	15
Truncatellinidae	2	37
Tryonicidae	2	23
Trypetesidae	1	2
Tryphosidae	6	14
Tubiclavoididae	1	1
Tubiluchidae	2	11
Tubiporidae	1	8
Tubolaimoididae	1	4
Tubulanidae	4	91
Tubulariidae	5	28
Tubuliporidae	4	8
Tuckerellidae	1	1
Tullbergiidae	7	47
Tulumellidae	1	2
Tupaiidae	5	29
Turbanellidae	2	32
Turbinellidae	5	15
Turbinidae	26	153
Turbinoliidae	7	11
Turbinoptidae	3	3
Turdidae	23	216
Turitellidae	1	1
Turnicidae	1	11
Turridae	32	498
Turritellidae	9	29
Turtoniidae	1	1
Tydeidae	3	574
Tylenchidae	23	325
Tylencholaimellidae	2	14
Tylencholaimidae	4	34
Tylenchulidae	6	194
Tylidae	2	31
Tylodinidae	1	3
Tylopharyngidae	1	2
Tymolidae	2	7
Typhlobolellidae	1	1
Typhlocarididae	1	3
Typhlogammaridae	6	18
Typhlonectidae	4	7
Typhlopidae	20	151
Typhloplanidae	19	45
Typhloscolecidae	3	48
Typhlotanaidae	19	43
Tyrannidae	110	467
Tyrannosauridae	1	1
Tytonidae	2	21
Udonellidae	1	11
Udubidae	3	15
Uenoidae	7	73
Ulidiidae	32	142
Ulmaridae	9	118
Uloboridae	12	68
Ulodidae	7	32
Ulurumyiidae	1	1
Umagillidae	6	13
Umazurcolidae	1	1
Umbellulidae	1	26
Umbonulidae	3	4
Umbraculidae	1	5
Umbridae	3	6
Uncinateridae	1	4
Unciolidae	3	15
Unduloribatidae	1	4
Ungellidae	3	7
Ungulinidae	7	10
Unidentiidae	2	7
Unionicolidae	5	582
Unionidae	156	876
Uniporidae	1	1
Upogebiidae	6	40
Upupidae	1	2
Uranidae	1	8
Uraniidae	33	133
Uranoscopidae	7	51
Urastomidae	2	8
Urceoliporidae	1	1
Urechidae	1	6
Urechinidae	3	3
Uristidae	9	27
Uroactiniidae	1	2
Urocoptidae	49	69
Urocyclidae	6	9
Urodidae	2	14
Urodinychidae	3	56
Urolophidae	2	23
Uropeltidae	10	160
Uropodellidae	1	1
Uropodidae	3	32
Urostylididae	8	60
Urothoidae	1	34
Urotrematidae	1	3
Urotrygonidae	2	12
Ursidae	7	20
Uteriporidae	7	10
Vaejovidae	22	146
Vahiniidae	1	1
Vaillantellidae	1	2
Valenciidae	1	3
Valenciniidae	4	7
Valettiopsidae	2	18
Valloniidae	6	18
Valvatidae	2	65
Vampyroctenidae	1	2
Vampyroteuthidae	1	2
Vangidae	14	21
Vanhorniidae	1	1
Vanikoridae	4	11
Varanidae	1	93
Varroidae	2	12
Varunidae	33	119
Vasidae	1	1
Veigaiidae	1	172
Veliferidae	2	2
Veliidae	31	192
Velocipedidae	2	6
Velutinidae	15	168
Vemanidae	1	2
Veneridae	71	282
Veretillidae	3	22
Verhoeffiidae	1	1
Vermetidae	9	68
Vermileonidae	5	32
Vermipsyllidae	3	9
Veronicellidae	17	42
Verrucidae	6	18
Verticillitidae	1	10
Verticordiidae	3	3
Vertiginidae	10	151
Vesicomyidae	15	230
Vesiculariidae	4	40
Vesperidae	3	4
Vespertilionidae	58	888
Vespidae	122	1092
Vetulinidae	1	8
Vianaididae	1	1
Vibiliidae	1	32
Vicmusiidae	1	1
Victorellidae	2	3
Victorgorgiidae	1	8
Viperidae	42	407
Vireonidae	5	50
Virgulariidae	4	36
Viridasiidae	0	7
Vitreledonellidae	1	1
Vitrinidae	13	25
Vityazicrinidae	1	1
Viverridae	16	43
Viviparidae	26	267
Volutidae	24	48
Volutomitridae	3	9
Volvatellidae	2	16
Vombatidae	2	3
Vulcanellidae	3	13
Vultocinidae	1	1
Waikalasmatidae	1	3
Walkeriidae	1	1
Walvisteuthidae	1	5
Watersiporidae	1	11
Wettinidae	1	2
Winterschmidtiidae	8	11
Withiidae	7	23
Xanthidae	105	612
Xanthonychidae	8	8
Xantusiidae	3	44
Xarifiidae	1	1
Xenasteiidae	1	2
Xenidae	2	212
Xeniidae	18	196
Xenillidae	1	18
Xenisthmidae	2	7
Xennellidae	1	1
Xenococcidae	1	1
Xenocratenidae	1	1
Xenocyprididae	39	210
Xenodermatidae	6	46
Xenodermidae	1	1
Xenograpsidae	1	20
Xenopeltidae	1	3
Xenophoridae	3	17
Xenophthalmidae	2	2
Xenosauridae	1	3
Xenotrichulidae	3	28
Xenoturbellidae	1	8
Xerobdellidae	3	7
Xestoleberididae	2	6
Xibalbanidae	0	0
Xiphiidae	1	1
Xiphocentronidae	6	85
Xiphydriidae	8	29
Xironodrilidae	2	3
Xolalgidae	9	17
Xustrostomatidae	2	3
Xyalidae	21	252
Xyelidae	4	107
Xylococcidae	1	1
Xylomyidae	3	66
Xylophagaidae	5	36
Xylophagidae	8	70
Xyloplacidae	1	5
Xyloryctidae	56	630
Xyronotidae	1	1
Xystodesmidae	55	378
Yoldiidae	4	27
Yponomeutidae	25	170
Ypsilothuriidae	2	5
Ypsolophidae	4	66
Zalmoxidae	8	126
Zancleidae	3	483
Zancleopsidae	1	8
Zanclidae	1	1
Zanclorhynchidae	1	1
Zaniolepididae	1	2
Zanobatidae	1	1
Zanobatocestidae	1	2
Zaproridae	1	1
Zeidae	2	8
Zeilleriidae	1	3
Zelinkaderidae	2	6
Zemelanopsidae	1	1
Zenarchopteridae	4	89
Zenionidae	3	7
Zenometridae	2	5
Zephroniidae	6	51
Zephyrinidae	2	12
Zerconidae	4	203
Zetomimidae	1	20
Zetorchestidae	4	6
Zeugophoridae	1	10
Ziphiidae	6	26
Zoanthidae	3	93
Zoarcidae	39	205
Zodariidae	61	264
Zonitidae	12	47
Zonocotylidae	1	1
Zoogonidae	12	28
Zopheridae	61	301
Zoridae	3	18
Zoroasteridae	4	12
Zoropsidae	12	29
Zorotypidae	3	28
Zosimeidae	2	21
Zosteropidae	17	129
Zygaenidae	99	432