Gamasus racovitzai Trouessart, 1903: 8.
Gamasellus racovitzai.— Trägårdh, 1907: 7; Hunter, 1970: 61.
Gamasellus (Digamasellus) racovitzai.— Berlese, 1917: 5.
Cyrtolaelaps (Gamasellus) racovitzai.— Ryke, 1962a: 50; Hunter, 1967a: 35; 1967b: 33.
Hydrogamasellus racovitzai.— Lee, 1970: 116; Lee & Hunter, 1974: 316; Karg, 1976b: 52; 1997a: 65; 1998: 192; Karg & Schorlemmer, 2009: 82; Santos et al., 2013: 86.
Zercon tuberculatus Trägårdh, 1907: 17. Synonymy by Hunter (1967a).
Type depository. H. racovitzai: Muséum National d’Histoire Naturelle, Paris, France; Z. tuberculatus: Naturhistorika Riksmuseum, Stockholm, Sweden.
Type locality and habitat. H. racovitzai: Gerlache Strait, Antarctic Peninsula, on moss; Z. tuberculatus: Mount Bransfield, Graham Land, Antarctic Peninsula, 7 December 1902, on moss.