N.B.: possibly paraphyletic per Goloboff, 1993: 30; delimited to Diplurinae (genera Diplura, Harmonicon, Linothele, Trechona and Troglodiplura) and Masteriinae Simon, 1889 (genera Masteria, Siremata and Striamea) by Opatova et al., 2020: 696, elevation of the former subfamilies Ischnothelinae and Euagrinae and of the genus Microhexura to family level by Opatova et al., 2020: 697, 698.

Nomina dubia

Hapalothele Lenz, 1886, type H. reuteri Lenz, 1886 -- Raven, 1985a: 146