Tooth: an acute angulation: a short pointed process from an appendage or margin.
Topomorph -ic: a geographic form, variety or subspecies of a widely distributed species: developed by local environment.
Topotype: is a specimen collected in the exact locality whence the original type was obtained.
Tornal: relating to or concerning the tornus.
Tornus: in Lepidoptera, the junction of the termen and dorsum of wing: = hind or anal angle; q.v.
Torose: swelling into knots or protuberances.
Torpid: lying motionless by reason of cold or other natural conditions that unfavorably affect the organism.
Torqueate: with a ring or collar.
Torquillus: = rotula.
Tortilis: twisted.