Echiniscus Sigismundi (Schultze, 1865)
Echinisoides sigismundi M. Sch. (Richters 1908)
E. sigismundi M. Sch. (Carlzon 1909)
Echiniscoides sigismundi (Murray 1911, Grell 1939, Schulz 1953 a, Greven & Grohe 1975, Grohe 1976, Moore 1977, Grimaldi de Zio et al. 1980 a, Sandulli et al. 1999)
Echiniscoides sigismundi Max Schultze (Loman 1924)
Echiniscoides sigismundi (M. Schultze) (Marcus 1927, 1928a, Caspers 1951, Du Bois-Reymond Marcus 1952)
Echiniscoides sigismundi (M. Schultze), 1865 (Marcus 1936, Rodriguez-Roda 1952, Kharkevych & Sergeeva 2011)
Echiniscoides sigismundi (Schultze) (Otto 1936, Green 1950, d’Hondt 1970, Fleeger 1978, Morgan 1980) Echiniscoides sigismundi L. Plate 1889 (Echiniscus sigismundi M. Schultze, 1865) (Teunissen 1938) Echiniscoides Sigismundi M. Schultze (Thulin 1942, Valkanov 1954)
Echiniscoides sigismundi Schultze. (Tambs-Lyche 1940)
Echiniscoides sigismundi (Max Schultze, 1865) Echiniscus sigismundi (M. Schultze 1865) (Rodriguez-Roda 1946)
Echiniscoides siegismundi (Wieser 1959)
Echiniscoides sigismundi M. Schultze, 1865 (Land, van der 1963, Rudescu 1964) Echiniscoides sigismundi (Schultze, 1865; Cuénot 1932) (Crisp & Hobart 1954) Echiniscoides sigismundi (M. Schultze, 1865) (du Bois-Reymond Marcus 1960, Schuster & Grigarick 1965, Pollock 1975 b, McKirdy et al. 1976, Grimaldi de Zio et al. 1980 b, Sergeeva et al. 2006, Jørgensen et al. 2010, Clausen et al. 2014)
Echiniscoides sigismundi (Schultze, 1865) (Schuster & Grigarick 1966, Huwae 1991, Eibye-Jacobsen 1996 / 97
Echiniscoides sigismundi (Schultze, 1867) (Pollock 1970 b)
Echiniscoides sigismundi sigismundi (Schultze, 1865) (Morgan & Lampard 1986 a) Echiniscoides s. sigismundi (Morgan & Lampard 1986 b)
Echiniscoides sigismundi, Schultze 1865 (Grimaldi de Zio et al. 1983 b)
Echiniscoides sigismundi s.l. (Schultze, 1865) (Mackness 1999)
Echiniscoides sigismundi sigismundi Kristensen & Hallas, 1980 (Greven & Kristensen 2001, Grimaldi de Zio & D’Addabbo Gallo 2001)
Echiniscoides sigismundi sigismundi (Schultze 1865) (Grimaldi de Zio et al. 2003, Willems et al. 2009) E. s. sigismundi (Faurby et al. 2011)
Terra typica: North Sea (Belgium, Europe)
Adriatic Sea:
• 45 °05′N, 13 ° 38 ′E; 0 m bsl: [FAO 37] Croatia, Istria County, Rovigno [Rovinj]. Richters (1908), Grimaldi de Zio et al. (1980 a)
• 42 °09′00′′N, 15 ° 30 ′00′′E [42 °08′N, 15 ° 31 ′E]; 5–20 m bsl: [FAO 37] Italy, Foggia Province, Tremiti Islands, Caprara [Capraia] Island, Cala dei Turchi, coarse organogenic detritus. Grimaldi de Zio & D’Addabbo Gallo (2001), Grimaldi de Zio et al. (2003)
• 42 °07′ 20 ′′N, 15 ° 29 ′ 45 ′′E; 0 m bsl: [FAO 37] Italy, Foggia Province, Tremiti Islands, San Domino Island, Cala Mataono, intertidal, medium sand, mainly siliceous. Grimaldi de Zio et al. (1983 b)
• 42 °07′ 18 ′′N, 15 ° 29 ′ 49 ′′E; 0 m bsl: [FAO 37] Italy, Foggia Province, Tremiti Islands, San Domino Island, Cala delle Arene, intertidal, fine-medium sand, mainly calcareous. Grimaldi de Zio et al. (1983 b)
• 42 °08′N, 15 ° 29 ′E [42 °07′N, 15 ° 30 ′E]; 5–20 m bsl: [FAO 37] Italy, Foggia Province, Tremiti Islands, San Domino Island, I Pagliai, coarse organogenic detritus. Grimaldi de Zio & D’Addabbo Gallo (2001), Grimaldi de Zio et al. (2003)
• 42 °06′N, 15 ° 29 ′E; 5–10 m bsl: [FAO 37] Italy, Foggia Province, Tremiti Islands, San Domino Island, Punta Zio Cesare, cave Grotta delle Viole, 0–10 cm depth, 80 % coarse organogenic sand, 3 % silt and clay, (mean diameter = 0.125 mm). Sandulli et al. (1999), Grimaldi de Zio et al. (2003)
• 40 ° 58 ′ 45 ′′N, 17 ° 15 ′ 47 ′′E; 0 m bsl: [FAO 37] Italy, Bari Province, Torre Incina, intertidal, on the shoreline, coarse sand (0.841 mm). Grimaldi de Zio et al. (1980 b, 1983 b)
• 40 ° 53 ′ 15 ′′N, 17 ° 23 ′ 30 ′′E; 0 m bsl: [FAO 37] Italy, Brindisi Province, Torre Egnazia, intertidal, medium calcareous sand. Grimaldi de Zio et al. (1983 b)