| trypanosoma sp. bratislava 1 | no rank | | species | | 2018023 |
| trypanosoma sp. cyaoli01 | no rank | | species | | 1892161 |
| trypanosoma sp. cyaoli02 | no rank | | species | | 1892162 |
| trypanosoma sp. estmel01 | no rank | | species | | 1892163 |
| trypanosoma sp. estmel02 | no rank | | species | | 1892164 |
| trypanosoma sp. mz | species | | species | | 2017387 |
| trypanosoma sp. plocuc01 | no rank | | species | | 1892165 |
| trypanosoma sp. plonig01 | no rank | | species | | 1892166 |
| trypethelium platyleucostomum | species | | species | | 1930731 |
| trypethelium sprengelii | species | | species | | 1930732 |
| trypodendron betulae | species | | species | | 1943980 |
| trypodendron retusum | species | | species | | 2015510 |
| trypodendron scabricollis | species | | species | | 1740271 |
| trypophloeus binodulus | species | | species | | 1897464 |
| trypophloeus granulatus grothii | subspecies | | subspecies | | 1897468 |
| trypophloeus klimeschi | species | | species | | 1897469 |
| trypophloeus rybinskii | species | | species | | 1897470 |
| trypophloeus striatulus | species | | species | | 1943981 |
| trypophloeus thatcheri | species | | species | | 1897471 |
| trypoxylon carinatum | species | | species | | 1895166 |
| trypoxylon nitidum | species | | species | | 1902212 |
| tubaria keralensis | species | | species | | 1882450 |
| tuber badium | species | | species | | 1969922 |
| tuber floridanum | species | | species | | 1945639 |
| tuber sinoniveum | species | | species | | 2044748 |
| tuber sp. 2016b | no rank | | species | | 1968001 |
| tuber sp. spw-2016a | no rank | | species | | 1894962 |
| tubeufia hyalospora | species | | species | | 1910997 |
| tubeufia roseohelicospora | species | | species | | 1910998 |
| tubeufiaceae sp. | species | | species | | 1968781 |
| tubeufiaceae sp. ncyu-wh-1 | no rank | | species | | 1914749 |
| tubificinae sp. t2 rv-2017 | no rank | | species | | 2020606 |
| tubificinae sp. t32 rv-2017 | no rank | | species | | 2020607 |
| tufted capuchin adenovirus 1 | species | | species | | 2301518 |
| tufted capuchin adenovirus 2 | species | | species | | 2301519 |
| tufted capuchin adenovirus 3 | species | | species | | 2301520 |
| tulostoma albicans | species | | species | | 1882408 |
| tulostoma caespitosum | species | | species | | 1810803 |
| tulostoma cf. beccarianum molia2014 | no rank | | species | | 1810771 |
| tulostoma cf. caespitosum ah15040 | no rank | | species | | 1810773 |
| tulostoma cf. caespitosum mj881114 | no rank | | species | | 1810772 |
| tulostoma cf. cretaceum ah13672 | no rank | | species | | 1810779 |
| tulostoma cf. cretaceum ah3955 | no rank | | species | | 1810780 |
| tulostoma cf. cretaceum knudsen0107 | no rank | | species | | 1810774 |
| tulostoma cf. cretaceum mj6103 | no rank | | species | | 1810776 |
| tulostoma cf. cretaceum mj6194 | no rank | | species | | 1810778 |
| tulostoma cf. cretaceum mj7759 | no rank | | species | | 1810777 |
| tulostoma cf. cretaceum mj8821 | no rank | | species | | 1810775 |
| tulostoma cf. cretaceum mj9304 | no rank | | species | | 1810781 |
| tulostoma cf. fimbriatum mj4935 | no rank | | species | | 1810782 |
| tulostoma cf. fimbriatum mj870 | no rank | | species | | 1810784 |
| tulostoma cf. fimbriatum mj8710 | no rank | | species | | 1810783 |
| tulostoma cf. kotlabae finy1 | no rank | | species | | 1810786 |
| tulostoma cf. kotlabae mj3830 | no rank | | species | | 1810787 |
| tulostoma cf. kotlabae mj5996 | no rank | | species | | 1810785 |
| tulostoma cf. kotlabae mj6081 | no rank | | species | | 1810788 |
| tulostoma cf. kotlabae mj7795 | no rank | | species | | 1810789 |
| tulostoma cf. nanum mj3787 | no rank | | species | | 1810790 |
| tulostoma cf. nanum mj4966 | no rank | | species | | 1810791 |
| tulostoma cf. nanum mj4976 | no rank | | species | | 1810792 |
| tulostoma cf. pygmaeum bruzek131207 | no rank | | species | | 1810794 |
| tulostoma cf. pygmaeum mj10060 | no rank | | species | | 1810793 |
| tulostoma cf. submembranaceum mj660617 | no rank | | species | | 1810797 |
| tulostoma cf. submembranaceum mj9295 | no rank | | species | | 1810795 |
| tulostoma cf. submembranaceum mj9296 | no rank | | species | | 1810796 |
| tulostoma excentricum | species | | species | | 1810805 |
| tulostoma hollosii | species | | species | | 1915143 |
| tulostoma leiosporum | species | | species | | 1810808 |
| tulostoma lusitanicum | species | | species | | 1882409 |
| tulostoma lysocephalum | species | | species | | 1810810 |
| tulostoma macrocephalum | species | | species | | 1882410 |
| tulostoma moravecii | species | | species | | 1882411 |
| tulostoma pseudopulchellum | species | | species | | 1810759 |
| tulostoma pseudopulchellum | species | | species | | 1915144 |
| tulostoma rufum | species | | species | | 1810813 |
| tulostoma submembranaceum | species | | species | | 1915146 |
| tulostoma verrucosum | species | | species | | 2059420 |
| tupaia glis polyomavirus 1 | species | | species | | 2170402 |
| turdus merula herpesvirus | species | | species | | 2717891 |
| turgenia heterocarpa | species | | species | | 2044357 |
| turnip yellows virus associated rna | species | | species | | 1869104 |
| tursiops aduncus gammaherpesvirus | species | | species | | 1923964 |
| tursiops truncatus gammaherpesvirus | species | | species | | 1923965 |
| tursiops truncatus papillomavirus 8 | no rank | | no rank | | 2094734 |
| turtle grass virus x | species | | species | | 2292642 |
| turtle herpesvirus | species | | species | | 2019557 |
| turuptiana aff. obliqua be02 | no rank | | species | | 1969779 |
| tusavirus sp. | species | | species | | 1955201 |
| tuyamaella angulistipa | species | | species | | 2065180 |
| tuyamaella molischii | species | | species | | 2065181 |
| tychius capucinus | species | | species | | 1342134 |
| tychius tridentinus | species | | species | | 1965007 |
| tychonema bornetii lege 14444 | no rank | | no rank | | 1828764 |
| tylenchina sp. mct18 | no rank | | species | | 1926459 |
| tylenchina sp. mhb51 | no rank | | species | | 1926455 |
| tylenchina sp. mhb52 | no rank | | species | | 1926456 |
| tylodelphys cerebralis | species | | species | | 2005181 |
| tylonycteris bat alphacoronavirus | species | | species | | 2023658 |
| tylopilus alpinus | species | | species | | 1914089 |
| tylopilus atroviolaceobrunneus | species | | species | | 1914091 |