In synonymy:
Charitonowia Strand, 1934 = Macrobunus Tullgren, 1901 (Roewer, 1955c: 1370)
Myropsis Simon, 1898 = Macrobunus Tullgren, 1901 (Simon, 1902h: 9, sub Myropsis)
Olybrius Roth, 1967 = Macrobunus Tullgren, 1901 (Lehtinen, 1967: 254)

type Macrobunus spinifer Tullgren, 1901; gender masculine; syn. of Macrobunus backhauseni (Simon, 1896)

N.B.: considered a synonym of Myropsis Simon, 1898a: 238 [urn:lsid:nmbe.ch:spidergen:04684] (type Myro backhauseni Simon, 1896) by Simon, 1902h: 9; Myropsis is preoccupied in Crustacea by Stimpson, 1871; Charitonowia Strand, 1934: 272 [urn:lsid:nmbe.ch:spidergen:04685] is a superfluous replacement name for Myropsis; considered a senior synonym of Olybrius Roth, 1967c: 323 [urn:lsid:nmbe.ch:spidergen:04918] (type Cicurina madrynensis Tullgren, 1901) and transferred from the Agelenidae to the Amaurobiidae by Lehtinen, 1967: 254 and to the Macrobunidae by Gorneau et al., 2023: 10; not a senior synonym of Opsaltella Mello-Leitão, 1941d: 114 (Ramírez, 1996a: 2, contra Lehtinen, 1967: 254), see Callevopsis.

Transferred to other genera:
Macrobunus diffusus (Mello-Leitão, 1941) -- see Callevopsis
Macrobunus pauperculus (Simon, 1905) -- see Neuquenia
Macrobunus tigrinus (Mello-Leitão, 1941) -- see Anisacate

In synonymy:
Macrobunus spinifer Tullgren, 1901 = Macrobunus backhauseni (Simon, 1896) (Simon, 1902h: 9, sub Myropsis).

Myro backhauseni Simon, 1896c: 142 (Dmf).
Myropsis backhauseni Simon, 1898a: 238.
Macrobunus spinifer Tullgren, 1901b: 249, pl. 19, f. 6a-b [in text f. 5] (Dm) [urn:lsid:nmbe.ch:spidersp:061787].
Myropsis backhauseni Simon, 1902h: 9 (S of Macrobunus spinifer).
Charitonowia backhauseni Strand, 1934: 272 (superfluous generic replacement name).
Macrobunus backhauseni Lehtinen, 1967: 443, f. 178 (f).

Myro caffer Simon, 1898a: 246, f. 229-230 (Df).
Macrobunus caffer Lehtinen, 1967: 246, f. 170 (f, T from Myro).
Myro caffer Ledoux, 1991: 145, f. 12A-B (f).
Macrobunus caffer Dippenaar-Schoeman et al., 2021b: 19, 3 f. (f).

Myro chilensis Simon, 1889a: 218 (Dm).
Myropsis chilensis Simon, 1898a: 238.
Macrobunus chilensis Lehtinen, 1967: 443, f. 174 (m).

Cicurina madrynensis Tullgren, 1901b: 251, pl. 18, f. 10 (Df).
Macrobunus madrynensis Lehtinen, 1967: 246 (T from Olybrius).
Olybrius madrynensis Roth, 1967c: 323, pl. 52, f. 4-5 (f, T from Cicurina).

Myro multidentata Tullgren, 1902: 72, pl. 6, f. 5 (Dmf).
Macrobunus multidentatus Lehtinen, 1967: 246 (T from Myro).
Macrobunus multidentatus Griswold et al., 2005: 9, f. 183A-B, 193B-C (m).