Transferred to other genera:

Scylaceus amylus Chamberlin, 1949 -- see Epiceraticelus

Scylaceus divisus Chamberlin, 1949 -- see Scotinotylus

Scylaceus obtusus (Emerton, 1915) -- see Semljicola

Scylaceus selma (Chamberlin, 1949) -- see Spirembolus

In synonymy:

Scylaceus minutissimus (Keyserling, 1886, T from Erigone) = Scylaceus pallidus (Emerton, 1882) (Ivie, 1967: 129)

Scylaceus pallas Chamberlin, 1949 = Scylaceus pallidus (Emerton, 1882) (Ivie, 1967: 129)

Scylaceus pallescens (Marx, 1890, T from Erigone) = Scylaceus pallidus (Emerton, 1882) (Bishop & Crosby, 1938: 91)

Scylaceus rostratulus (Keyserling, 1886, T from Gongylidiellum) = Scylaceus pallidus (Emerton, 1882) (Ivie, 1967: 129)