Plakina monolopha n.sp. Schulze, 1880: 407, pl. XX figs. 1-7, pl. XXII figs.22-29; Topsent, 1891a: 526; 1895: 548; Prenant, 1927: 46; Lévi, 1956; Borojevic et al., 1968: 5; Descatoire, 1969a: 183; Van Soest et al., 1981: 38; Durán and Solórzano, 1982: 54; Díaz and Van Soest, 1994: 101.