- Thysanura, order Thysanura - firebrats; silverfish; machilids
--1 is a kind of animal order
--1 is a member of Insecta, class Insecta, Hexapoda, class Hexapoda
--1 has members:thysanuran insect, thysanuron; Lepismatidae, family Lepismatidae; Machilidae, family Machilidae