Subfamily Idiacanthinae Gill 1893

Idiacanthidae Gill 1893b:131 [ref. 26255] (family) Idiacanthus [genus inferred from the stem, Article 11.7.1.1]

Stylophthalmidae Jordan 1923a:127 [ref. 2421] (family) Stylophthalmus [family name sometimes seen as Stylophthalmoidae]