Telipogon	Fernandezia	Telidezia	Tdz.
	Hofmeisterella	Telisterella	Tlt.
	Stellilabium	Stellipogon	Stp.
	Trichoceros	Trichopogon	Tpgn.
Tetrabaculum	Dockrillia	Tetrallia	Ttr.
	Thelychiton	Thelybaculum	Tlb.
Tetramicra	Barkeria	Tetrakeria	Ttka.
	Brassavola	Brassomicra	Bmc.
	Brassavola, Cattleya, Epidendrum	Estelaara	Esta.
	Broughtonia	Tetratonia	Tttna.
	Broughtonia, Cattleya	Susanperreiraara	Sprra.
	Broughtonia, Cattleya, Laeliopsis	Fordyceara	Fdca.
	Broughtonia, Epidendrum, Laeliopsis	Balaguerara	Blga.
	Broughtonia, Laeliopsis	Bloomara	Blma.
	Calochilus	Calomitra	Cmta.
	Cattleya	Tetracattleya	Ttct.
	Diacrium	Tetradiacrium	Ttdm.
	Epidendrum	Epimicra	Emc.
	Laelia	Tetralaelia	Tta.
	Laeliopsis	Tetraliopsis	Ttps.
Thelychiton	Dockrillia	Thelyrillia	Tyr.
	Tetrabaculum	Thelybaculum	Tlb.
Trias	Bulbophyllum	Triasphyllum	Tphm.
	Bulbophyllum, Cirrhopetalum	Siegeristara	Sgrt.
	Cirrhopetalum	Triaspetalum	Tspt.
Traunsteinera	Gymnadenia	Gymnotraunsteinera	Gyt.
Trichocentrum	Brassia	Trichassia	Tss.
	Brassia, Miltonia	Milassentrum	Msr.
	Brassia, Odontoglossum, Oncidium	Watsonara	Wts.
	Fernandezia	Trichodezia	Tdza.
	Ionopsis	Ionocentrum	Ict.
	Leochilus	Trichocenilus	Tcn.
	Luisia, Sedirea	Luisedda	Lda.
	Miltonia	Milcentrum	Mlc.
	Miltonia, Odontoglossum	Miltodonium	Mtd.
	Miltonia, Oncidium	Miltoncentrum	Mnt.
	Odontoglossum	Odontocentrum	Otc.
	Oncidium	Trichocidium	Trcdm.
Trichoceros	Hoffmeisterella	Trichorella	Trla.
Trichoglottis	Aerides	Aeridoglottis	Aegts.
	Aerides, Arachnis	Paulsenara	Plsra.
	Arachnis	Arachnoglottis	Arngl.
	Arachnis, Renanthera	Irvingara	Irv.
	Arachnis, Renanthera, Vanda	Andrewara	Andw.
	Arachnis, Vanda	Ridleyara	Ridl.
	Ascocentrum	Ascoglottis	Asgts.
	Ascocentrum, Vanda	Fujioara	Fjo.
	Ascoglossum, Renanthera	Sheehanara	Shn.
	Euanthe	Antheglottis	Antg.
	Euanthe, Vanda	Kraenzlinara	Kr.
	Gastrochilus	Gastrochiloglottis	Gchgl.
	Paraphalaenopsis	Paraottis	Ptt.
	Phalaenopsis	Trichonopsis	Trnps.
	Renanthera	Renaglottis	Rngl.
	Renanthera, Vanda	Raganara	Rgn.
	Rhynchostylis	Trichostylis	Trst.
	Vanda	Trichovanda	Trcv.
	Vandopsis	Trichopsis	Trcps.
Trichopilia	Aspasia	Trichopasia	Tric.
	Helcia	Helpilia	Hpla.
	Lockhartia	Lockopilia	Lckp.
	Miltonia	Milpilia	Mlpa.
	Odontoglossum	Odontopolia	Odpla.
	Oncidium	Oncidpilia	Oncpa.
Trichoseros	Telipogon	Trichopogon	Tpgn.
Tridactyle	Rangaeris	Randactyle	R.
	Ypsilopus	Ypsilactyle	Ypt.
Trigonidium	Mormolyca	Trigolyca	Trgca.
Tuberolabium	Amesiella	Amesilabium	Aml.
	Amesiella (Amesilabium replaces Tuberella which was already used as fossil form genus)	Tuberella	Tbl.
	Angraecum	Tubaecum	Tbcm.