Subfamily Opisthocentrinae Jordan & Evermann 1898

Opisthocentrinae Jordan & Evermann 1898b:2349 [ref. 2445] (subfamily) Opisthocentrus [ Opisthocentrinae given precedence over Plectobranchinae by Makushok 1958:77, 90 [ref. 2878]]

Plectobranchinae Jordan & Evermann 1898b:2349 [ref. 2445] (subfamily) Plectobranchus