Spongia rigida n.sp. Montagu, 1818: 87, pl. XI figs. 1-2.
Raspailia rigida : Hanitsch, 1890: 213.
Vibulinus rigidus : Topsent, 1890: 202; Topsent, 1891a: 529; Topsent, 1894: 8; Stephens, 1912: 19; Stephens, 1914: 28; Prenant, 1927: 7; Topsent, 1932: 2.
Stelligera rigida : Burton, 1931: 169; Arndt, 1935: 86, fig. 181; Bruce et al., 1963: 45; Borojevic et al., 1968: 12; Descatoire, 1969a: 189; Cabioch, 1973: 5; Solórzano and Babio, 1979: 51; Lombas, 1982: 45; Hiscock et al., 1983 (1984): Ackers, 1983: 162; 23; Ackers et al., 1985: 104, fig. 85; 1992: 90, fig. 192.
Stelligera stuposa forma rigida : Descatoire, 1969b: 18, fig. 4-5.