‘Totsey’, [201], [216], [439], [516];

trigonocephalus, [172], [175], [176], [177], [226], [227], [319], [373], [388], [392], [397], [421], [422], [427];

trimuresuri, [177], [181], [386];

[tropidontus], [37], [52], [89], [95], [127], [217], [223], [226], [227], [437], [439], [440], [450], [495], et seq., [571], et seq.;

two-headed s., [187], [190];

typhlops, [187], [189].

URICANA, [421];

urocrotalon, [292], [388];

uropeltis, [188];