In synonymy:
Mynthes Simon, 1887 = Rubrius Simon, 1887 (Simon, 1903a: 1041)
Pionaces Simon, 1904 = Rubrius Simon, 1887 (Roth, 1967c: 326, confirmed by Lehtinen, 1967: 259)

type Coelotes subfasciatus Simon, 1884; gender masculine; syn. of Rubrius antarcticus (Karsch, 1880)

N.B.: transferred from the Agelenidae to the Amaurobiidae by Lehtinen, 1967: 263 and to the Macrobunidae by Gorneau et al., 2023: 10; considered a senior synonym of Mynthes Simon, 1887h: E16 [urn:lsid:nmbe.ch:spidergen:04921] (type Coelotes castaneifrons Simon, 1884) by Simon, 1903a: 1041 and of Pionaces Simon, 1904e: 107 [urn:lsid:nmbe.ch:spidergen:04922] (type P. major Simon, 1904, transferred from the Agelenidae to the Amaurobiidae by Lehtinen, 1967: 263) by Roth, 1967c: 326; not a senior synonym of Hicanodon Tullgren, 1901 (Roth, 1988: 33, contra Lehtinen, 1967: 263).

Transferred to other genera:
Rubrius ambiguus (Nicolet, 1849) -- see Calacadia
Rubrius bicolor Bryant, 1935 -- see Mamoea
Rubrius cinereus (Tullgren, 1901) -- see Hicanodon
Rubrius crucifer Hogg, 1909 -- see Neoramia
Rubrius dentifer Tullgren, 1902 -- see Calacadia
Rubrius enigmaticus Mello-Leitão, 1939 -- see Cybaeodamus
Rubrius livens Simon 1902 -- see Calacadia
Rubrius mandibularis Bryant, 1935 -- see Mamoea
Rubrius milvinus (Simon, 1903) -- see Tasmarubrius
Rubrius nummosus Hogg, 1909 -- see Orepukia
Rubrius paroculus Simon, 1903 -- see Tjurunga
Rubrius periscelis Simon, 1903 -- see Namandia
Rubrius radulifer Simon, 1902 -- see Calacadia
Rubrius rufus Berland, 1931 -- see Mamoea

In synonymy:
Rubrius paganus Simon, 1902 = Rubrius annulatus F. O. Pickard-Cambridge, 1899 (Lehtinen, 1967: 263).

Nomen dubium:
Rubrius breviventris (Nicolet, 1849: 438, f, Chile, originally in Clubiona) -- Lehtinen, 1967: 250.

Rubrius annulatus F. O. Pickard-Cambridge, 1899b: 20, pl. 2, f. 10 (Df).
Rubrius paganus Simon, 1902h: 37 (Dmf; see note by Dupérré & Harms, 2018: 12) [urn:lsid:nmbe.ch:spidersp:056957].
Rubrius annulatus Lehtinen, 1967: 263, f. 159 (f, S of Rubrius paganus).
Rubrius annulatus Roth, 1967c: 329, pl. 52, f. 13 (f).
Rubrius paganus Roth, 1967c: 332, pl. 52, f. 19-20 (mf).

Cybaeus antarcticus Karsch, 1880c: 379, pl. 12, f. 7 (Dm).
Coelotes subfasciatus Simon, 1884l: 123 (Df).
Rubrius subfasciatus Simon, 1887h: E15, pl. 2, f. 7 (Dm).
Rubrius subfasciatus Tullgren, 1901b: 250, pl. 19, f. 7 (mf).
Rubrius antarcticus Lehtinen, 1967: 442, f. 157, 160 (mf).
Rubrius antarcticus Roth, 1967c: 327, pl. 52, f. 11-12 (mf).
Rubrius antarcticus Bennett, 1992: 5, f. 21 (f).
Rubrius antarcticus Griswold et al., 2005: 9, f. 183C (m).

Coelotes castaneifrons Simon, 1884l: 124 (Df).
Mynthes castaneifrons Simon, 1887h: E16, pl. 2, f. 6 (f).
Mynthes castaneifrons Simon, 1898a: 245, f. 233 (Dm).
Mynthes castaneifrons Tullgren, 1901b: 250.
Rubrius castaneifrons Simon, 1902h: 36 (T from Mynthes).
Rubrius castaneifrons Lehtinen, 1967: 442, f. 151 (m).
Rubrius castaneifrons Roth, 1967c: 329, pl. 52, f. 14-15 (mf).

Rubrius lineatus Roth, 1967c: 330, pl. 52, f. 16 (Df).

Pionaces major Simon, 1904e: 108, f. 6 (Dm).
Rubrius major Lehtinen, 1967: 442, f. 152, 156 (mf).
Rubrius major Roth, 1967c: 331, pl. 52, f. 17-18 (mf).

Rubrius scottae Mello-Leitão, 1940b: 19 (Df).

Rubrius ululus Roth, 1967c: 334, pl. 52, f. 21 (Df).