type Drassus coloradensis Emerton, 1877; gender masculine

Transferred to other genera:
Orodrassus orites Chamberlin & Gertsch, 1940 -- see Parasyrisca

In synonymy:
Orodrassus continentalis (Keyserling, 1887, T from Syrisca) = Orodrassus coloradensis (Emerton, 1877) (Chamberlin, 1922: 163).
Orodrassus durranti Chamberlin, 1936 = Orodrassus assimilis (Banks, 1895) (Platnick & Shadab, 1975b: 36).
Orodrassus melius (Chamberlin, 1919, T from Drassodes) = Orodrassus coloradensis (Emerton, 1877) (Chamberlin, 1922: 163).

Nomen dubium:
Orodrassus vastus (Banks, 1896e: 62, f, USA, originally in Drassus) -- Platnick & Shadab, 1975b: 32.

Drassus assimilis Banks, 1895b: 420 (Dm).
Orodrassus assimilis Chamberlin, 1922: 164.
Orodrassus durranti Chamberlin, 1936b: 7, f. 22 (Df) [urn:lsid:nmbe.ch:spidersp:058247].
Orodrassus assimilis Platnick & Shadab, 1975b: 36, f. 87-94 (mf, S of Orodrassus durranti).

Orodrassus canadensis Platnick & Shadab, 1975b: 37, f. 95-102 (Dmf).
Orodrassus canadensis Platnick & Dondale, 1992: 208, f. 313-316 (mf).
Orodrassus canadensis Paquin & Dupérré, 2003: 80, f. 703-705 (mf).

Drassus coloradensis Emerton, 1877: 528 (Dmf).
Teminius continentalis Keyserling, 1887b: 423, pl. 6, f. 2 (Df) [urn:lsid:nmbe.ch:spidersp:058245].
Drassus coloradensis Emerton, 1894: 413, pl. 2, f. 7 (mf).
Syrisca continentalis Simon, 1897a: 129.
Drassodes melius Chamberlin, 1919a: 246, pl. 16, f. 4-5 (Dmf) [urn:lsid:nmbe.ch:spidersp:058246].
Orodrassus coloradensis Chamberlin, 1922: 163 (S of Drassodes melius and Syrisca continentalis).
Orodrassus coloradensis Chamberlin, 1936b: 7, f. 23 (f).
Orodrassus coloradensis Platnick & Shadab, 1975b: 32, f. 75-84 (mf).
Orodrassus coloradensis Platnick & Dondale, 1992: 206, f. 309-312 (mf).
Orodrassus coloradensis Murphy, 2007: 58, f. 482-483 (mf).
Orodrassus coloradensis Azevedo, Griswold & Santos, 2018a: 681, f. 4B (m).