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Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Subclass: Apterygota
Order: Zygentoma
Family: Lepidotrichidae
Silvestri, 1912


Lepidotrichidae is a family of basal insects belonging to the order Zygentoma. The family is considered to contain two genera: the extinct Lepidotrix, known from specimens preserved in Baltic amber, and the extant Tricholepidion, which contains a single species, Tricholepidion gertschi. This species is an example of a living fossil, the one remaining member of a clade which was once widespread. Recent research has suggested the extant species should be assigned to its own family, Tricholepidiidae.[1]


  1. ^ Engel, M. S. (2006). A note on the relic silverfish Tricholepidion gertschi (Zygentoma). Transactions of the Kansas Academy of Science (1903-) 109(3-4) 236-38.

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