N.B.: The name of the family is formed correctly in accordance with ICZN article 29.3.1, based on the stem of the genitive singular (Actinopodis) of the name of the type genus (Actinopus) (contra Murphy & Roberts, 2015: viii). Furthermore a wrong spelling would be protected by ICZN article 29.5.

Transferred to other families:
Neocteniza Pocock, 1895 -- see Idiopidae

In synonymy:
Closterochilus Ausserer, 1871 = Actinopus Perty, 1833 (Raven, 1985a: 145)
Theragretes Ausserer, 1871 (removed from S of Missulena) = Actinopus Perty, 1833 (Raven, 1985a: 147)

N.B.: considered a senior synonym of Closterochilus Ausserer, 1871 and Theragretes Ausserer, 1871 by Raven, 1985a: 145, 147.

Transferred to other genera:
Actinopus bonneti (Zapfe, 1961) -- see Plesiolena
Actinopus gracilis (Hentz, 1842) -- see Antrodiaetus

In synonymy:
Actinopus ceciliae Mello-Leitão, 1931 = Actinopus crassipes (Keyserling, 1891) (Silva-Moreira et al., 2010: 7).

Pachyloscelis caraiba Simon, 1889m: 176 (Df).
Actinopus caraiba F. O. Pickard-Cambridge, 1896: 730.

Actinopus wallacei Schiapelli & Gerschman, 1945: 167, pl. I (Dm; misidentified after Tamayo, 2016: 186).
Actinopus cochabamba Ríos-Tamayo, 2016: 186, f. 2A-E (Df).

Pachyloscelis crassipes Keyserling, 1891: 3, pl. 1, f. 1 (Dm).
Pachyloscelis luteipes Keyserling, 1891: 5 (Df).
Actinopus luteipes F. O. Pickard-Cambridge, 1896: 730.
Actinopus crassipes F. O. Pickard-Cambridge, 1896: 732.
Actinopus crassipes Strand, 1916b: 81 (Df).
Actinopus crassipes Mello-Leitão, 1923a: 18, f. 128 (f).
Actinopus luteipes Mello-Leitão, 1923a: 22 (Dm).
Actinopus ceciliae Mello-Leitão, 1931a: 11, f. 1 (Dm) [urn:lsid:nmbe.ch:spidersp:000897].
Actinopus tarsalis Mello-Leitão, 1943a: 149 (S, subsequently rejected).
Actinopus crassipes Bücherl, 1957: 384, f. 5 (m).
Actinopus crassipes Schiapelli & Gerschman, 1962b: 72, pl. II, f. 3 (f).
Actinopus crassipes Lucas & Bücherl, 1965: 89, f. 1-18 (f).
Actinopus niger Bücherl, Timotheo & Lucas, 1971: 121, f. 2 (m, manuscript name by Mello-Leitão, tentatively identified as A. c.; actually the type of A. ceciliae).
Actinopus crassipes Silva-Moreira et al., 2010: 7 (S).

Actinopus cucutaensis Mello-Leitão, 1941a: 114, f. 1 (Dm).

Actinopus dubiomaculatus Mello-Leitão, 1923a: 20 (Dm).

Actinopus echinus Mello-Leitão, 1949: 1 (Df).

Actinopus fractus Mello-Leitão, 1920b: 58 (Dm).
Actinopus fractus Mello-Leitão, 1923a: 21 (m).

Actinopus goloboffi Ríos, 2014: 73, f. 1-12 (Dmf).

Actinopus hartii Pocock, 1895c: 195 (Df).
Actinopus hartii F. O. Pickard-Cambridge, 1899c: 893, pl. 54, f. 1 (f).

Aussereria insignis Holmberg, 1881a: 171, pl. 1, f. 2 (Dm).
Actinopus insignis Simon, 1892a: 80.

Pachyloscelis liodon Ausserer, 1875: 142, pl. 5, f. 7 (Dm).
Actinopus liodon F. O. Pickard-Cambridge, 1896: 730.

Actinopus longipalpis C. L. Koch, 1842: 102, f. 754 (Dm).

Pachyloscelis nattereri Doleschall, in Ausserer, 1871a: 139 (Df).
Actinopus nattereri F. O. Pickard-Cambridge, 1896: 730.

Pachyloscelis nigripes Lucas, 1834a: 364, pl. 7D, f. 3 (Dm).
Pachyloscelis nigripes Lucas, 1835b: pl. 14, f. 10 (m).
Actinopus walckenaerii Lucas, 1837: 377 (D).
Theragretes walckenaeri Ausserer, 1871a: 143.
Closterochilus nigripes Ausserer, 1871a: 142.
Eriodon nigripes Simon, 1892a: 81.

Actinopus paranensis Mello-Leitão, 1920b: 58 (Dm).
Actinopus paranensis Bücherl, Timotheo & Lucas, 1971: 121, f. 3-4 (m).

Actinopus pertyi Lucas, 1843: 318 (Df).
Actinopus pertyi Lucas, 1845a: 57, pl. 1, f. 1 (f).
Sphodros pertyi Walckenaer, 1847a: 372.

Pachyloscelis picea Ausserer, 1871a: 139, pl. 1, f. 7 (Dm).
Actinopus piceus F. O. Pickard-Cambridge, 1896: 730.

Actinopus princeps Chamberlin, 1917: 31 (Df).

Actinopus pusillus Mello-Leitão, 1920b: 59 (Dm).

Pachyloscelis robustus O. Pickard-Cambridge, 1892b: 93, pl. 12, f. 5 (Df).
Actinopus robustus F. O. Pickard-Cambridge, 1897a: 6.
Actinopus robustus Quintero, 2005: 378, f. 4-8, 14-15 (f, Dm).
Actinopus robustus Jocqué & Dippenaar-Schoeman, 2006: 58, f. 6a-d (m).

Pachyloscelis rojasi Simon, 1889m: 177 (Dj).
Actinopus rojasi F. O. Pickard-Cambridge, 1896: 730.

Actinopus rufibarbis Mello-Leitão, 1930b: 54, f. 1 (Df).

Pachyloscelis rufipes Lucas, 1834a: 361, pl. 7C, f. 1 (Df).
Cratoscelis rufipes Lucas, 1834a: 362, pl. 7, f. D2 (Dm).
Sphodros lucasi Walckenaer, 1837: 250 (Dmf).
Actinopus rufipes Lucas, 1837: 376.

Pachyloscelis scalops Simon, 1889m: 177 (Df).
Actinopus scalops F. O. Pickard-Cambridge, 1896: 730.

Actinopus tarsalis Perty, 1833: 198, pl. 39, f. 6 (Dm).
Pachyloscelis tarsalis Lucas, 1837: 377.
Sphodros tarsalis Walckenaer, 1841: 437.
Actinopus tarsalis C. L. Koch, 1842: 101, f. 753 (m, specimen from Uruguay misidentified per Miglio, Lucas & Bonaldo, 2012).
Actinopus tarsalis Simon, 1892a: 80, f. 80, 82.
Actinopus tarsalis Lucas et al., 1981a: 133, f. 3-6 (m).
Actinopus tarsalis Miglio, Lucas & Bonaldo, 2012: 376, f. 1-12 (m).

Actinopus trinotatus Mello-Leitão, 1938b: 311 (Df).

Pachyloscelis valenciana Simon, 1889m: 177 (Df).
Actinopus valencianus F. O. Pickard-Cambridge, 1896: 730.
Actinopus valentianus Bonnet, 1955: 156 (invalid emendation).

Actinopus wallacei F. O. Pickard-Cambridge, 1896: 728, pl. 35, f. 18 (Df).

Actinopus xenus Chamberlin, 1917: 29, pl. 1, f. 5 (Df).

Transferred to other genera:
Missulena bonneti (Zapfe, 1961) -- see Plesiolena

In synonymy:
Missulena crassa (O. Pickard-Cambridge, 1869) = Missulena granulosa (O. Pickard-Cambridge, 1869) (Womersley, 1943: 258).
Missulena formidabilis (O. Pickard-Cambridge, 1869) = Missulena occatoria Walckenaer, 1805 (Womersley, 1943: 251).
Missulena formosa (Rainbow, 1896, removed from S of M. occatoria) = Missulena insignis (O. Pickard-Cambridge, 1877) (Main, 1985b: 10).
Missulena incerta (O. Pickard-Cambridge, 1877) = Missulena granulosa (O. Pickard-Cambridge, 1869) (Womersley, 1943: 258).
Missulena rubrocapitata (Keyserling, 1875) = Missulena occatoria Walckenaer, 1805 (Womersley, 1943: 251).
Missulena rugosa (Ausserer, 1875) = Missulena occatoria Walckenaer, 1805 (Main, 1985b: 11).
Missulena semicoccineum (Simon, 1896, removed from S of M. occatoria Walckenaer, 1805) = Missulena insignis (O. Pickard-Cambridge, 1877) (Main, 1985b: 10).

Missulena bradleyi Rainbow, 1914a: 268, f. 73-75 (Dm).
Missulena bradleyi Womersley, 1943: 265, f. 6A-N (m, Df).

Missulena dipsaca Faulder, 1995: 73, f. 1-2 (Dm).

Missulena faulderi Harms & Framenau, 2013: 525, f. 4A-G, 5A-G, 6A-E, 7A-H, 12A-C (Dm).

Eriodon granulosum O. Pickard-Cambridge, 1869a: 268, pl. 9, f. 7-13 (Dm).
Eriodon crassum O. Pickard-Cambridge, 1869a: 269, pl. 9, f. 14-16 (Df).
Eriodon incertus O. Pickard-Cambridge, 1877c: 30 (Dm).
Eriodon granulosa Hogg, 1901: 222 (Df).
Eriodon incerta Hogg, 1901: 224, f. 22 (m).
Missulena granulosa Womersley, 1943: 258, f. 3A-N (m, S).

Missulena harewoodi Framenau & Harms, 2017: 40, f. 1A-G, 2A-F (Dm).

Missulena hoggi Womersley, 1943: 262, f. 4A-G (Dm).

Eriodon insigne O. Pickard-Cambridge, 1877c: 29, pl. 6, f. 5 (Dm).
Actinopus formosus Rainbow, 1896a: 328, pl. 20 (Dm).
Eriodon semicoccineum Simon, 1896a: 343 (Dm).
Eriodon insignis Hogg, 1901: 223, f. 21a-b (m).
Eriodon rubrocapitata Rainbow, 1903: 64, f. 6 (f, misidentified per Womersley, 1943).
Missulena formosa Simon, 1903a: 877.
Missulena insigne Womersley, 1943: 255, f. 2A-I (mf).
Missulena insignis Main, 1985b: 10 (S).

Missulena langlandsi Harms & Framenau, 2013: 531, f. 1A, 8A-H, 9A-E, 10A-G, 11A-E, 12D-F (Dm).

Missulena leniae Miglio et al., 2014: 136, f. 1C, 7A-J, 8A-J (Dm).

Missulena mainae Miglio et al., 2014: 141, f. 1D, 9A-J, 10A-K (Dm).

Missulena melissae Miglio et al., 2014: 125, f. 1A, 2A-J, 3A-J (Dm).

Missulena occatoria Walckenaer, 1805: 8, pl. 2, f. 11-13 (Df).
Eriodon occatorium Lucas, 1865: 318, pl. 8, f. 6 (f).
Eriodon formidabile O. Pickard-Cambridge, 1869a: 267, pl. 9, f. 1-6 (Dm).
Eriodon rubrocapitatum Keyserling, in Ausserer, 1875: 140, pl. 5, f. 1, 3-4 (Dm).
Eriodon rugosum Ausserer, 1875: 141, pl. 5, f. 5-6 (Dm).
Eriodon formidabilis Hogg, 1901: 222 (Df).
Eriodon rugosa Hogg, 1901: 223, f. 21c (m).
Eriodon rubrocapitata Hogg, 1901: 226, f. 23 (m).
Eriodon occatoria Rainbow, 1903: 62, f. 5 (f).
Missulena rubriceps Strand, 1907l: 4 (Dm).
Missulena occatoria Hogg, 1908: 335, f. 72 (f).
Missulena occatoria Rainbow & Pulleine, 1918: 88, pl. 12, f. 1-2.
Missulena occatoria Womersley, 1943: 251, f. 1A-N (m, S).
Missulena occatoria Main, 1985b: 10 (S).

Missulena pinguipes Miglio et al., 2014: 132, f. 1B, 5A-J, 6A-K (Dm).

Missulena pruinosa Levitt-Gregg, 1966: 391, f. 1-4 (Dm).

Missulena reflexa Rainbow & Pulleine, 1918: 87, pl. 21, f. 33-34 (Dm).
Missulena reflexa Womersley, 1943: 263, f. 5A-G (m).

Missulena rutraspina Faulder, 1995: 76, f. 4-6 (Dm).

Missulena torbayensis Main, 1996: 355, f. 1A-K, 2A-D (Dm).

Missulena tussulena Goloboff, 1994b: 71, f. 5 (Df; N.B.: specimens formerly placed as f of Plesiolena bonneti by Goloboff & Platnick, 1987).
Missulena tussulena Grismado & Goloboff, 2006: 101, f. 1-8 (Dm).

P. Goloboff & Platnick, 1987: 11, type Missulena bonneti (Zapfe, 1961).

Heteromigas bonneti Zapfe, 1961c: 152, f. 2-3 (Dm).
Heteromigas bonneti Legendre & Calderón, 1984: 1041, pl. XI, f. 1-12 (m).
Actinopus bonneti Raven, 1984d: 380 (Tm from Heteromigas).
Missulena bonneti Raven, 1985a: 144 (Tm from Actinopus).
Plesiolena bonneti Goloboff & Platnick, 1987: 13, f. 14, 19, 38-44 (Tm from Missulena, misidentified f).
Plesiolena bonneti Goloboff, 1994b: 67, f. 1-4 (Df; N.B.: f of Goloboff & Platnick, 1987 = Missulena tussulena).

Plesiolena jorgelina Goloboff, 1994b: 69, f. 6-10 (Df).