N.B.: removed from the Cyrtaucheniidae and elevated to family level by Bond & Hedin, in Bond et al., 2012b: 10 (considered more closely related to Idiopidae than to other Cyrtaucheniidae); the subfamily name Apomastinae proposed in that paper is a nomen nudum, as no diagnosis was provided.

In synonymy:
Actinoxia Simon, 1891 = Aptostichus Simon, 1891 (Bond & Opell, 2002: 518).
Astrosoga Chamberlin, 1940 = Eucteniza Ausserer, 1875 (Bond & Opell, 2002: 509).
Enrico O. P.-Cambridge, 1895 = Eucteniza Ausserer, 1875 (Bond & Opell, 2002: 509).
Nemesoides Chamberlin, 1919 = Aptostichus Simon, 1891 (Bond & Opell, 2002: 518).

A. Bond & Opell, 2002: 523, type A. schlingeri Bond & Opell, 2002; transferred here from the Cyrtaucheniidae by Bond & Hedin, in Bond et al., 2012b: 10.

mf kristenae Bond, 2004....................USA [urn:lsid:amnh.org:spidersp:039451]
A. k. Bond, 2004: 372, f. 6a-f, 8a-f (Dmf).

mf schlingeri Bond & Opell, 2002 *....................USA [urn:lsid:amnh.org:spidersp:037432]
A. s. Bond & Opell, 2002: 525, f. 17A-D (Dmf).
A. s. Bond, 2004: 368, f. 5a-e, 6g (mf).

N.B.: transferred from the Ctenizidae to the Cyrtaucheniidae by Raven, 1985a: 137, here by Bond & Hedin, in Bond et al., 2012b: 10; considered a senior synonym of Actinoxia Simon, 1891 and Nemesioides Chamberlin, 1919 (which were transferred here from the Ctenizidae by Raven, 1985a: 137; the spelling Nemesioides, used in all previous catalogs, is erroneous) by Bond & Opell, 2002: 518.

Transferred to other genera:
A. arizonicus (Gertsch & Wallace, 1936) -- see Entychides.
A. flavipes Petrunkevitch, 1925 -- see Myrmekiaphila.
A. clathratus Simon, 1891 -- see Promyrmekiaphila.
A. zebrus Chamberlin & Ivie, 1935 -- see Promyrmekiaphila.

In synonymy:
A. versicolor (Simon, 1891) = A. atomarius Simon, 1891 (Bond & Opell, 2002: 518).

mf angelinajolieae Bond, 2008....................USA [urn:lsid:amnh.org:spidersp:041899]
A. a. Bond, in Bond & Stockman, 2008: 646, f. 1 (Dmf).

mf atomarius Simon, 1891 *....................USA [urn:lsid:amnh.org:spidersp:000457]
A. a. Simon, 1891g: 317 (Df).
A. a. Smith, 1908: 220, pl. 13, f. 32, pl. 14, f. 32 (f).
Actinoxia versicolor Simon, 1891g: 318 (Df).
Eutychides versicolor Smith, 1908: 214, pl. 13, f. 1-19, pl. 14, f. 1-16, pl. 16, f. 1-2 (Dm, possibly a misidentification of Promyrmekiaphila gertschi, per Bond & Opell, 2002: 516).
A. a. Bond & Opell, 2002: 518, f. 13A-I (f, Sm).

f hesperus (Chamberlin, 1919)....................USA [urn:lsid:amnh.org:spidersp:000515]
Nemesoides hespera Chamberlin, 1919b: 2, pl. 1, f. 2 (Dm).

mf miwok Bond, 2008....................USA [urn:lsid:amnh.org:spidersp:041900]
A. m. Bond, in Bond & Stockman, 2008: 646, f. 1 (Dmf).

f simus Chamberlin, 1917....................USA [urn:lsid:amnh.org:spidersp:000460]
A. s. Chamberlin, 1917: 36, pl. 2, f. 2-3 (Df).

f stanfordianus Smith, 1908....................USA [urn:lsid:amnh.org:spidersp:000461]
A. s. Smith, 1908: 221, pl. 13, f. 20-31, pl. 14, f. 17-29, pl. 16, f. 5-6 (Df).

mf stephencolberti Bond, 2008....................USA [urn:lsid:amnh.org:spidersp:041898]
A. s. Bond, in Bond & Stockman, 2008: 646, f. 1 (Dmf).

N.B.: Eutychides is an unjustified emendation; transferred from the Ctenizidae to the Cyrtaucheniidae by Raven, 1985a: 152, here by Bond & Hedin, in Bond et al., 2012b: 10.

mf arizonicus Gertsch & Wallace, 1936....................USA [urn:lsid:amnh.org:spidersp:000409]
Eutychides a. Gertsch & Wallace, 1936: 20, f. 26-31 (Dm).
Actinoxia a. Chamberlin, 1937b: 9.
Entychides arizonica Bond & Opell, 2002: 516, f. 12A-B (Tm from Actinoxia=Aptostichus, Df).

f aurantiacus Simon, 1888 *....................Mexico [urn:lsid:amnh.org:spidersp:000493]
E. a. Simon, 1888b: 213 (Df).
E. a. Simon, 1892a: 109, f. 107.
E. a. F. O. P.-Cambridge, 1897a: 11, pl. 1, f. 3 (f).

f dugesi Simon, 1888....................Mexico [urn:lsid:amnh.org:spidersp:000494]
E. d. Simon, 1888b: 214 (Df).

m guadalupensis Simon, 1888....................Guadeloupe [urn:lsid:amnh.org:spidersp:036931]
E. g. Simon, 1888b: 214 (Dm).

N.B.: transferred here from the Ctenizidae by Raven, 1985a: 137; considered a senior synonym of Enrico O. P.-Cambridge, 1895 and Astrosoga Chamberlin, 1940b: 5, type A. rex Chamberlin, 1940 (which were transferred here from the Ctenizidae by Raven, 1985a: 137) by Bond & Opell, 2002: 509.

Homonym replaced:
E. mexicana (O. P.-Cambridge, 1895) -- see E. atoyacensis.

f atoyacensis Bond & Opell, 2002....................Mexico [urn:lsid:amnh.org:spidersp:000492]
Enrico mexicanus O. P.-Cambridge, 1895a: 157, pl. 19, f. 8 (Df).
Enrico mexicanus F. O. P.-Cambridge, 1897a: 12, pl. 1, f. 7 (f).
E. a. Bond & Opell, 2002: 509 (replacement name).

f mexicana Ausserer, 1875 *....................Mexico [urn:lsid:amnh.org:spidersp:000495]
E. m. Ausserer, 1875: 149, pl. 5, f. 8-9 (Df).
E. m. F. O. P.-Cambridge, 1897a: 12, pl. 1, f. 2 (f).

m relata (O. P.-Cambridge, 1895)....................Mexico [urn:lsid:amnh.org:spidersp:000496]
Favilla relatus O. P.-Cambridge, 1895a: 156, pl. 19, f. 6 (Dm).
E. r. F. O. P.-Cambridge, 1897a: 13.

mf rex (Chamberlin, 1940)....................USA [urn:lsid:amnh.org:spidersp:000462]
Myrmekiaphila comstocki Gertsch, 1935a: 3, f. 3 (f, misidentified).
Astrosoga r. Chamberlin, 1940b: 5 (Dm).
Astrosoga r. Chamberlin & Ivie, 1945a: 556, f. 8-10 (m).
E. r. Bond & Opell, 2002: 512, f. 8A-E (mf).

mf stolida (Gertsch & Mulaik, 1940)....................USA [urn:lsid:amnh.org:spidersp:000463]
Astrosoga s. Gertsch & Mulaik, 1940: 310, f. 1-4, 26 (Dmf).

N.B.: transferred from the Ctenizidae to the Cyrtaucheniidae by Raven, 1985a: 137, here by Bond & Hedin, in Bond et al., 2012b: 10; other spellings are invalid emendations.

In synonymy:
M. atkinsoni Simon, 1891 = M. foliata Atkinson, 1886 (Bond & Platnick, 2007: 9).

mf comstocki Bishop & Crosby, 1926....................USA [urn:lsid:amnh.org:spidersp:000512]
M. c. Bishop & Crosby, 1926: 168, pl. 20, f. 7-8 (Dm).
M. fluviatilis Petrunkevitch, 1929a: 516, pl. 1, f. 10-12 (m, misidentified).
M. c. Gertsch, 1935a: 3, f. 3 (Df).
M. c. Bond & Platnick, 2007: 11, f. 5, 15, 25, 41-47 (mf).
M. c. Bailey et al., 2010: 8, f. 4 (m).

mf coreyi Bond & Platnick, 2007....................USA [urn:lsid:amnh.org:spidersp:041265]
M. c. Bond & Platnick, 2007: 13, f. 6, 16, 26, 49-55 (Dmf).
M. c. Bailey et al., 2010: 8, f. 4 (m).

f flavipes (Petrunkevitch, 1925)....................USA [urn:lsid:amnh.org:spidersp:000459]
Aptostichus f. Petrunkevitch, 1925b: 317, pl. 20, f. 1-2, 12 (Df).
M. f. Bond & Platnick, 2007: 29, f. 106 (Tf from Aptostichus).

mf fluviatilis (Hentz, 1850)....................USA [urn:lsid:amnh.org:spidersp:000513]
Mygale f. Hentz, 1850: 286, pl. 10, f. 15 (Df).
Bolostromus f. Banks, 1892b: 147.
M. f. Simon, 1892a: 107.
M. f. Comstock, 1912: 239, f. 222 (Dm).
M. f. Bond & Platnick, 2007: 14, f. 7, 17, 27, 56-62 (mf).
M. f. Bailey et al., 2010: 3, f. 2B, 4 (m).

mf foliata Atkinson, 1886 *....................USA [urn:lsid:amnh.org:spidersp:041264]
M. f. Atkinson, 1886: 132, pl. 5, f. 6-7, 12, 14, 22 (Df).
M. atkinsoni Simon, 1891g: 316 (Df) [urn:lsid:amnh.org:spidersp:000511].
M. fluviatilis Bishop & Crosby, 1926: 166, pl. 20, f. 1-6 (m, misidentified).
M. f. Bond & Platnick, 2007: 9, f. 4, 14, 24, 33-39 (removed f from S of M. fluviatilis, S, Dm).
M. f. Bailey et al., 2010: 3, f. 2A, 4 (m).
M. f. Bond et al., 2012a: 97, f. 1 (m).

m howelli Bond & Platnick, 2007....................USA [urn:lsid:amnh.org:spidersp:041269]
M. h. Bond & Platnick, 2007: 26, f. 12, 22, 93-98 (Dm).

mf jenkensi Bond & Platnick, 2007....................USA [urn:lsid:amnh.org:spidersp:041266]
M. j. Bond & Platnick, 2007: 16, f. 8, 18, 28, 64-70 (Dmf).
M. j. Bailey et al., 2010: 8, f. 4 (m).

mf millerae Bond & Platnick, 2007....................USA [urn:lsid:amnh.org:spidersp:041268]
M. m. Bond & Platnick, 2007: 24, f. 11, 21, 31, 86-92 (Dmf).
M. m. Bailey et al., 2010: 8, f. 4 (m).

mf minuta Bond & Platnick, 2007....................USA [urn:lsid:amnh.org:spidersp:041270]
M. m. Bond & Platnick, 2007: 27, f. 13, 23, 32, 99-105 (Dmf).
M. m. Bailey et al., 2010: 3, f. 2C (m).

mf neilyoungi Bond & Platnick, 2007....................USA [urn:lsid:amnh.org:spidersp:041267]
M. n. Bond & Platnick, 2007: 21, f. 2-3, 10, 20, 30, 78-84 (Dmf).
M. n. Bailey et al., 2010: 8, f. 4 (m).

mf tigris Bond & Ray, 2012....................USA [urn:lsid:amnh.org:spidersp:044911]
M. t. Bond & Ray, in Bond et al., 2012a: 101, f. 1, 3-11 (Dmf).

mf torreya Gertsch & Wallace, 1936....................USA [urn:lsid:amnh.org:spidersp:000514]
M. t. Gertsch & Wallace, 1936: 15, f. 15, 17-25 (Dmf).
M. t. Bond & Platnick, 2007: 19, f. 9, 19, 29, 71-77 (mf).
M. t. Bailey et al., 2010: 8, f. 4 (m).
M. t. Bond et al., 2012a: 96, f. 1 (m).

N. Bond & Opell, 2002: 514, type N. rothi Bond & Opell, 2002; transferred here from the Cyrtaucheniidae by Bond & Hedin, in Bond et al., 2012b: 10.

mf rothi Bond & Opell, 2002 *....................USA [urn:lsid:amnh.org:spidersp:037433]
N. r. Bond & Opell, 2002: 515, f. 11A-D (Dmf).

P. Schenkel, 1950b: 28, type P. gertschi Schenkel, 1950; transferred from the Theraphosidae to the Ctenizidae by Brignoli, 1983c: 116, to the Cyrtaucheniidae by Raven, 1985a: 137, here by Bond & Hedin, in Bond et al., 2012b: 10.

In synonymy:
P. gertschi Schenkel, 1950 = P. clathrata (Simon, 1891) (Stockman & Bond, 2008: 32).
P. zebra (Chamberlin & Ivie, 1935) = P. clathrata (Simon, 1891) (Stockman & Bond, 2008: 32).

mf clathrata (Simon, 1891) *....................USA [urn:lsid:amnh.org:spidersp:000458]
Aptostichus clathratus Simon, 1891g: 318 (Df).
Aptostichus zebrus Chamberlin & Ivie, 1935b: 3, pl. 1, f. 3-5 (Dm) [urn:lsid:amnh.org:spidersp:000411].
Actinoxia zebra Chamberlin, 1937b: 9, pl. 1, f. 7-11 (m).
P. gertschi Schenkel, 1950b: 29, f. 1a-f (Dj) [urn:lsid:amnh.org:spidersp:000516].
P. zebra Bond & Opell, 2002: 518 (Tm from Aptostichus).
P. clathratus Bond & Opell, 2002: 521 (Tf from Aptostichus).
P. gertschi Bond & Opell, 2002: 521, f. 15A-C (Dmf).
P. c. Stockman & Bond, 2008: 32, f. 1, 12-13, 25-33 (f, Sm).

mf winnemem Stockman & Bond, 2008....................USA [urn:lsid:amnh.org:spidersp:041817]
P. w. Stockman & Bond, 2008: 38, f. 8-11, 14-24, 34-41 (Dmf).