In synonymy:
Phoeodrassus Lohmander, 1944 = Haplodrassus Chamberlin, 1922 (Lohmander, 1944: 13, as subgenus)
Tuvadrassus Marusik & Logunov, 1995 = Haplodrassus Chamberlin, 1922 (Murphy, 2007: 9)
Transferred to other genera:
Haplodrassus grazianoi Caporiacco, 1948 -- see Berinda
Haplodrassus magister Chamberlin, 1933 -- see Urozelotes
Haplodrassus severus (C. L. Koch, 1839) -- see Drassodes
Haplodrassus viveki Gajbe, 1992 -- see Drassodes
In synonymy:
Haplodrassus acrotirius (Roewer, 1928) = Haplodrassus omissus O. Pickard-Cambridge, 1872 (Bosmans et al., 2018: 25)
Haplodrassus admes Chamberlin, 1922 = Haplodrassus bicornis Emerton, 1909 (Platnick & Shadab, 1975b: 17)
Haplodrassus altanus Chamberlin, 1933 = Haplodrassus stuxbergi L. Koch, 1879 (Ubick & Roth, 1973a: 4, sub Haplodrassus hiemalis)
Haplodrassus buddebergi (Simon, 1887) = Haplodrassus cognatus Westring, 1861 (Simon, 1914: 208, sub Drassodes capnodes)
Haplodrassus capnodes (Thorell, 1875) = Haplodrassus cognatus Westring, 1861 (Grimm, 1985: 134)
Haplodrassus carinatus (Strand, 1906, T from Drassodes) = Haplodrassus dalmatensis L. Koch, 1866 (Chatzopoulou & Chatzaki, 2009: 358)
Haplodrassus clavator (O. Pickard-Cambridge, 1860) = Haplodrassus signifer C. L. Koch, 1839 (O. Pickard-Cambridge, 1872: 232, sub Drassus troglodytes)
Haplodrassus cognatus ermolajewi Lohmander, 1942 = Haplodrassus cognatus Westring, 1861 (Lohmander, 1942: 86, only provisional name)
Haplodrassus corticalis (Lucas, 1846, T from Drassodes) = Haplodrassus rufipes Lucas, 1846 (Bosmans et al., 2018: 33)
Haplodrassus criminalis (O. Pickard-Cambridge, 1875) = Haplodrassus silvestris Blackwall, 1833 (Smith, 1900a: 330, sub Drassus)
Haplodrassus dalmatensis pictus (Thorell, 1875) = Haplodrassus dalmatensis L. Koch, 1866 (Simon, 1909b: 15, sub Drassodes)
Haplodrassus deceptus (Banks, 1900, T from Zelotes) = Haplodrassus signifer C. L. Koch, 1839 (Chamberlin, 1922: 163)
Haplodrassus delinquens (O. Pickard-Cambridge, 1875) = Haplodrassus dalmatensis L. Koch, 1866 (F. O. Pickard-Cambridge, 1895b: 38, sub Drassus)
Haplodrassus denotatus (O. Pickard-Cambridge, 1874, T from Drassodes) = Haplodrassus dalmatensis L. Koch, 1866 (Levy, 2004: 24)
Haplodrassus desertorum (Caporiacco, 1928, T from Pseudodrassus) = Haplodrassus dalmatensis L. Koch, 1866 (Levy, 2004: 24)
Haplodrassus dubius (Wider, 1834, T from Filistata) = Haplodrassus silvestris Blackwall, 1833 (Zonstein & Marusik, 2019b: 83)
Haplodrassus dystactus Chamberlin & Gertsch, 1940 = Haplodrassus signifer C. L. Koch, 1839 (Platnick & Shadab, 1975b: 11)
Haplodrassus ferrumequinum (F. O. Pickard-Cambridge, 1899, T from Drassodes) = Haplodrassus signifer C. L. Koch, 1839 (Platnick & Shadab, 1975b: 11)
Haplodrassus gridellii Caporiacco, 1949 = Haplodrassus rufipes Lucas, 1846 (Bosmans et al., 2018: 33)
Haplodrassus hiemalis (Emerton, 1909) = Haplodrassus stuxbergi L. Koch, 1879 (Mikhailov & Marusik, 2023: 226)
Haplodrassus infuscatus (Westring, 1861, T from Drassus) = Haplodrassus silvestris Blackwall, 1833 (Simon, 1893a: 361, sub Drassodes)
Haplodrassus insularis Denis, 1962 = Haplodrassus dalmatensis L. Koch, 1866 (Schmidt, 1977: 58)
Haplodrassus isaevi Ponomarev & Tsvetkov, 2006 = Haplodrassus orientalis L. Koch, 1866 (Bosmans et al., 2018: 61)
Haplodrassus lithobius (Roewer, 1928, T from Drassodes) = Haplodrassus dalmatensis L. Koch, 1866 (Chatzaki, Thaler & Mylonas, 2002a: 587)
Haplodrassus macellinus hebes (O. Pickard-Cambridge, 1874) = Haplodrassus macellinus Thorell, 1871 (Bosmans et al., 2018: 54)
Haplodrassus magnipalpus Paik & Sohn, 1984 = Haplodrassus kulczynskii Lohmander, 1942 (Paik & Kang, 1988: 63)
Haplodrassus maroccanus Denis, 1956 = Haplodrassus omissus O. Pickard-Cambridge, 1872 (Bosmans & Van Keer, 2012a: 11, sub H. parvicorpus, contra Levy, 2004: 24, who considered it a S of H. dalmatensis)
Haplodrassus minusculus (L. Koch, 1866, T from Drassus) = Haplodrassus dalmatensis L. Koch, 1866 (Simon, 1909b: 15, sub Drassodes)
Haplodrassus mysticus (O. Pickard-Cambridge, 1895) = Haplodrassus signifer C. L. Koch, 1839 (Bristowe, 1939: 17, sub Drassodes)
Haplodrassus nigriceps (Banks, 1895, T from Syrisca) = Haplodrassus signifer C. L. Koch, 1839 (Chamberlin, 1922: 163)
Haplodrassus nigroscriptus deminutus (Simon, 1909, T from Drassodes) = Haplodrassus nigroscriptus Simon, 1909 (Bosmans et al., 2018: 22)
Haplodrassus nyctelius (Thorell, 1871) = Haplodrassus macellinus Thorell, 1871 (Simon, 1878a: 178, sub Drassus)
Haplodrassus occidentalis (Thorell, 1871) = Haplodrassus macellinus Thorell, 1871 (Simon, 1914: 209, sub Drassodes)
Haplodrassus palaestinensis (Strand, 1915, T from Drassodes) = Haplodrassus dalmatensis L. Koch, 1866 (Levy, 2004: 24)
Haplodrassus parvicorpus (Roewer, 1951) = Haplodrassus omissus O. Pickard-Cambridge, 1872 (Bosmans et al., 2018: 25)
Haplodrassus placidus (Banks, 1896, T from Drassus) = Haplodrassus signifer C. L. Koch, 1839 (Chamberlin, 1922: 163)
Haplodrassus pseudopugnans (Schenkel, 1963) = Haplodrassus pugnans Simon, 1880 (Song & Hubert, 1983: 17, sub Drassodes)
Haplodrassus robustus (Emerton, 1890, T from Drassodes) = Haplodrassus signifer C. L. Koch, 1839 (Chamberlin, 1922: 163)
Haplodrassus seditiosus (Caporiacco, 1928) = Haplodrassus omissus O. Pickard-Cambridge, 1872 (Bosmans et al., 2018: 25)
Haplodrassus similis (L. Koch, 1866, removed from S of Haplodrassus = Drassodes severus) = Haplodrassus rufipes Lucas, 1846 (Bosmans et al., 2018: 33)
Haplodrassus simplex (Kulczyński, 1926, T from Drassodes) = Haplodrassus moderatus Kulczyński, 1897 (Mikhailov & Marusik, 2023: 226)
Haplodrassus troglodytes (C. L. Koch, 1839, T from Drassus) = Haplodrassus signifer C. L. Koch, 1839 (Simon, 1914: 209, sub Drassodes)
Haplodrassus uncifer Chamberlin, 1936 = Haplodrassus bicornis Emerton, 1909 (Platnick & Shadab, 1975b: 17)
Haplodrassus utus Chamberlin & Ivie, 1946 = Haplodrassus eunis Chamberlin, 1922 (Platnick & Shadab, 1975b: 20)
Haplodrassus vicarius (Simon, 1878) = Haplodrassus macellinus Thorell, 1871 (Simon, 1914: 209, sub Drassodes macellinus hebes)
Haplodrassus vignai Di Franco, 1996 = Haplodrassus macellinus Thorell, 1871 (Bosmans et al., 2018: 54, contra Levy, 2004: 31, who considered it a S of H. invalidus))
Haplodrassus walteri (Roewer, 1928, T from Scotophaeus) = Haplodrassus creticus Roewer, 1928 (Levy, 2004: 28)
Nomina dubia:
Haplodrassus barberi (Banks, 1902a: 212, pl. 7, f. 7, 11, f, USA, originally in Prosthesima) -- Platnick & Shadab, 1975b: 5
Haplodrassus pacificus (Banks, 1904b: 336, pl. 39, f. 15, m, USA, originally in Zelotes) -- Platnick & Shadab, 1975b: 5
Haplodrassus spinicrus (Caporiacco, 1928: 84, j, Libya, originally in Drassodes) -- Bosmans et al., 2018: 44