N.B.: removed from the synonymy of Symphytognathidae by Forster & Platnick, 1977: 2; genera reviewed by Brignoli, 1980j: 728; considered a junior synonym of Anapidae by Wunderlich, 1986: 114 and revalidated by Wunderlich, 2011: 446; two subfamilies are known: Mysmeninae and Mysmenopsinae Lopardo & Hormiga, 2015: 779.