—see also Branchiae

Tremex columba, [507]

Trias, [449]

Triassic, [239]

Trichijulus, [76]

Trichodectes, [350];

T. latus, [349]

Trichoptera, [342], [473] f.

Trichostegia, [480]

Tricorythus, [434], [436]