Thysanura
Explanation of Terms Used in Entomology · 1906 · p. 3
: fringe-tails; wingle , mandibulate insects without metamorphosis; with anal appendages; body covered with scales; thoracic segments similar.
Bu kavram başka kaynaklarda da geçiyor
The American Dictionary and Cyclopedia (1910)
Chamber's Twientieth Century Dictionary (1908)
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