proturans
Obsolete taxonomic term for the order Protura, now more commonly referred to as 鎌足虫目 (かまあしむしもく).
See also: カマアシムシ目
原尾類 is an old name once used in insect classification.
Compound of 原尾 (げんび, 'primitive tail') and 類 (るい, 'group, order'), referring to the order Protura. The exact historical derivation is uncertain.