audax Gervais, 1837:16 .

Holotype: not known to exist, not present in MNHP (J.­J. Geoffroy, pers. comm.), not found in 2005; type locality: unknown .

Original rank: species. Current rank and status: synonym of S. subspinipes Leach, 1815 (Kohlrausch 1878, 1879, 1881; Kraepelin 1903; Brölemann 1909; Attems 1930; Bücherl 1939, 1942 a).

Remarks: This name was omitted by Bücherl (1974).