1877 T. H. Huxley viii. 488 The subradular membrane is continued into a longer or shorter sac.
1904 20 405 Several other Solenogastres as figured by various authors also appear to have subradular sensory areas.
2001 63 386/1 The chitinous radular teeth are secreted by the subradular membrane, which is continuous with the epithelial lining of the oral cavity.