N.B.: Elevated to familial rank by Hormiga, 1993: 534; for comments on relationships, see Michalik & Hormiga, 2010: 7. Re-synonymization with Linyphiidae (Murphy & Roberts, 2015: ix) not sufficiently justified and is not accepted here.

N. Hormiga, Buckle & Scharff, 2005: 252, type N. enana Hormiga, Buckle & Scharff, 2005; N.B.: regarded as a member of the fossil family Pumiliopimoidae by Wunderlich, 2008a: 127.

Nanoa enana Hormiga, Buckle & Scharff, 2005: 254, f. 1A-D, 2A-B, 3A-E, 4A-F, 5A-F (Dmf).
Nanoa enana Wunderlich, 2008a: 127, f. 2-5 (mf).

P. Chamberlin & Ivie, 1943: 9, type Labulla hespera Gertsch & Ivie, 1936; transferred from the Metidae=Tetragnathidae to the Linyphiidae by Wunderlich, 1979a: 411 and 1986: 119, transferred here from the Linyphiidae and considered a senior synonym of Louisfagea Brignoli, 1971d: 161 (replacement name for Metella Fage, 1931, preoccupied, transferred from the Metidae=Tetragnathidae to the Linyphiidae by Wunderlich, 1986: 119) by Hormiga, 1993: 534; Wunderlich's (1979a: 411) synonymy of both Pimoa and Louisfagea with the fossil genus Acrometa Petrunkevitch, 1942 was rejected by Brignoli, 1979o: 36.

In synonymy:
Pimoa utahana (Gertsch & Ivie, 1936) = Pimoa altioculata (Keyserling, 1886) (Hormiga, 1994a: 75).

Labulla altioculata Keyserling, 1886b: 94, pl. 14, f. 186 (Dmf).
Labulla altioculata Gertsch & Ivie, 1936: 15, f. 40-41 (f).
Labulla utahana Gertsch & Ivie, 1936: 16, f. 39 (Df).
Pimoa altioculata Chamberlin & Ivie, 1943: 11 (Tmf from Labulla).
Pimoa utahana Chamberlin & Ivie, 1943: 12 (Tf from Labulla).
Pimoa altioculata Thaler, 1976b: 207, f. 10, 12, 14-15 (m).
Acrometa altioculata Wunderlich, 1979a: 411, f. 12-17 (mf).
Pimoa altioculata Hormiga, 1994a: 75, f. 9, 301-336 (mf, S).
Pimoa altioculata Hormiga, 1994b: 4, f. 1E (m).

Pimoa anatolica Hormiga, 1994a: 73, f. 290-300 (Df).
Pimoa anatolica Xu & Li, 2007f: 484, f. 1-15 (f, Dm).

Metella breuili Fage, 1931: 196, f. 38 (Df).
Metella breuili Fage, 1935: 177, f. 1 (Dm).
Acrometa breuili Wunderlich, 1979a: 411, f. 2-11 (mf).
Louisfagea breuili Wunderlich, 1986: 220, f. 236-239 (m).
Pimoa breuili Hormiga, 1994a: 32, f. 10, 43-84 (mf).

Pimoa breviata Chamberlin & Ivie, 1943: 11, f. 16 (Df).
Pimoa breviata Hormiga, 1994a: 83, f. 3-6, 345-367 (f, Dm).

Pimoa clavata Xu & Li, 2007f: 487, f. 16-34 (Dmf).

Metella crispa Fage, 1946: 385, f. 3-4 (Dmf).
Louisfagea crispa Brignoli, 1971d: 163.
Pimoa crispa Hormiga, 1994a: 63, f. 233-247 (mf).
Pimoa crispa Hormiga, 1994b: 4, f. 1A-B (m).

Pimoa cthulhu Hormiga, 1994a: 39, f. 85-116 (Dmf).

Pimoa curvata Chamberlin & Ivie, 1943: 10, f. 15 (Df).
Pimoa curvata Hormiga, 1994a: 87, f. 368-389 (f, Dm).

Pimoa delphinica Mammola, Hormiga & Isaia, in Mammola et al., 2016: 582, f. 3D, 7C-D, 8D-F, 9A-D, 10A,F (Dmf).

Pimoa edenticulata Hormiga, 1994a: 94, f. 1, 409-430 (Dmf).

Pimoa gandhii Hormiga, 1994a: 60, f. 218-231 (Dmf).

Louisfagea rupicola Brignoli, 1971d: 161, f. 40-43 (mf, misidentified per Mammola et al., 2016: 572).
Pimoa sp. Jocqué & Dippenaar-Schoeman, 2006: 211, f. 82 a-f (mf).
Pimoa rupicola Isaia et al., 2011: 118, f. 2.21A-C, 2.22-23 (mf, misidentified per Mammola et al., 2016: 572).
Pimoa graphitica Mammola, Hormiga & Isaia, in Mammola et al., 2016: 572, f. 3A-C, 5A-G, 6A-D, 7A-B, 8A-C, 10B,E (Dmf).

Pimoa haden Chamberlin & Ivie, 1943: 10, f. 13-14 (Dmf).
Pimoa haden Hormiga, 1994a: 52, f. 156-188 (mf).

Labulla hespera Gertsch & Ivie, 1936: 16, f. 34, 36 (Dmf).
Pimoa hespera Chamberlin & Ivie, 1943: 9 (Tm from Labulla).
Pimoa hespera Hormiga, 1994a: 46, f. 126-146 (m, Df).
Pimoa hespera Hormiga, 1994b: 4, f. 1D (m).
Pimoa hespera Griswold et al., 1998: 64, f. 13A-B (m).

Pimoa indiscreta Hormiga, 1994a: 66, f. 248-255 (Df).

Labulla jellisoni Gertsch & Ivie, 1936: 18, f. 37-38 (Df).
Labulla jelliconi Roewer, 1942a: 577 (lapsus).
Pimoa jellisoni Chamberlin & Ivie, 1943: 10, f. 12 (Tf from Labulla, Dm).
Pimoa jellisoni Hormiga, 1994a: 57, f. 190-217 (mf).

Pimoa lata Xu & Li, 2009: 56, f. 1-8 (Df).

Pimoa laurae Hormiga, 1994a: 92, f. 2, 390-408 (Dmf).

Pimoa lihengae Griswold, Long & Hormiga, 1999: 93, f. 1-22 (Dmf).

Pimoa mephitis Hormiga, 1994a: 98, f. 431-439 (Df).

Pimoa mono Hormiga, 1994a: 50, f. 147-155 (Df).

Pimoa nematoide Hormiga, 1994a: 71, f. 285-289 (Dm).

Pimoa petita Hormiga, 1994a: 82, f. 338-344 (Dm).

Pimoa reniformis Xu & Li, 2007f: 493, f. 35-47 (Dmf).

Labulla rupicola Simon, 1884a: 264 (Df).
Labulla rupicola Simon, 1929: 624, 741, f. 938-941 (f, Dm).
Labulla rupicola Fage, 1935: 179, f. 2F (m).
Louisfagea rupicola Brignoli, 1971d: 161 (T from Labulla; see also Pimoa graphitica).
Louisfagea rupicola Thaler, 1976b: 207, f. 11, 13, 16-18 (m).
Louisfagea rupicola Wunderlich, 1986: 223, f. 250.
Louisfagea rupicola Maurer & Thaler, 1988: 337, f. 15-16 (f).
Pimoa rupicola Hormiga, 1994a: 27, f. 15-41 (mf).
Pimoa rupicola Hormiga, 1994b: 4, f. 1C (m).
Pimoa rupicola Agnarsson, 2004: 604, f. 89A (m).
Pimoa rupicola Trotta, 2005: 158, f. 169-170 (mf).
Pimoa rupicola Agnarsson, Coddington & Knoflach, 2007: 385, f. 195 (m).
Pimoa rupicola Mammola et al., 2016: 584, f. 10 C,D, 11A-D (mf).

Pimoa sinuosa Hormiga, 1994a: 67, f. 256-284 (Dmf).

Pimoa tehama Hormiga & Lew, 2014: 95, f. 1A-F, 2A-D, 3A-D (Dmf).

Pimoa thaleri Trotta, 2009b: 1404, f. 1-2 (Dmf).

Pimoa trifurcata Xu & Li, 2007f: 496, f. 48-61 (Dmf).

Pimoa vera Gertsch, 1951: 4, f. 6 (Df).
Pimoa vera Hormiga, 1994a: 45, f. 118-125 (f).

P. Hormiga & Tu, 2008: 4, type Putaoa huaping Hormiga & Tu, 2008.

Putaoa huaping Hormiga & Tu, 2008: 5, f. 1A-D, 2A-E, 3A-C, 4A-C, 5A-F, 6A-F, 7A-F, 8A-F, 9A-F, 10A-B (Dmf).
Putaoa huaping Wunderlich, 2008a: 112, f. 8-9 (m).
Putaoa huaping Wang et al., 2015c: 142, f. 2a, 3a (f).

Weintrauboa megacanthus Xu & Li, 2007f: 499, f. 75-81 (Dm).
Putaoa megacantha Hormiga & Tu, 2008: 12 (Tm from Weintrauboa).

Putaoa seediq Hormiga & Dimitrov, 2017: 98, f. 1A-I, 2A-F, 3A-D, 4A-D (Dmf).

W. Hormiga, 2003: 269, type Labulla contortipes Karsch, 1881.

Transferred to other genera:
Weintrauboa megacanthus Xu & Li, 2007 -- see Putaoa

Nomen nudum:
Weintrauboa linguiforma Yang & Chen, 2009: 452, f. A-I (mf, China) [in abstract named W. bispinipes!] [urn:lsid:nmbe.ch:spidersp:049703] -- Yang & Chen, 2009, (nomen nudum after Li S. Q., pers. comm., because the publication is not valid after ICZN article 9.9).

Labulla contortipes chikunii Oi, 1979: 330, f. 9-12 (Dmf).
Labulla contortipes chikunii Chikuni, 1989b: 48, f. 12 (mf).
Labula chikunii Eskov, 1992a: 53 (elevated from subspecies of L. contortipes).
Labulla insularis Marusik et al., 1993b: 75 (S, rejected by Hormiga, 2003: 276).
Weintrauboa chikunii Hormiga, 2003: 276, f. 2A-D, 3I, J, 6A-D (removed from S, Tmf from Labulla, but misidentified, see W. insularis).
Weintrauboa chikunii Ono, Matsuda & Saito, 2009: 344, f. 10-12 (mf).

Linyphia contortipes Karsch, 1881c: 39 (Dmf).
Labulla contortipes Bösenberg & Strand, 1906: 170, pl. 5, f. 49, pl. 11, f. 234, 237 (mf).
Labulla contortipes Yaginuma, 1971: 43, f. 41.4 (f).
Labulla contortipes Yaginuma, 1986a: 72, f. 38.2 (mf).
Labulla contortipes Chikuni, 1989b: 48, f. 11 (mf).
Weintrauboa contortipes Hormiga, 2003: 269, f. 1A-J, 2E-F, 3A-H, 4A-B, 5A-F, 6E-F, 7A-D, 8A-D, 9A-B, 10A-B (Tmf from Labulla).
Weintrauboa contortipes Wunderlich, 2008a: 112, f. 6-7 (m).
Weintrauboa contortipes Ono, Matsuda & Saito, 2009: 344, f. 1-3 (mf).

Lepthyphantes insularis Saito, 1935a: 58, f. 1 (Df).
Lepthyphantes insularis Saito, 1959: 79, f. 81a-c (f).
Labulla insularis Marusik et al., 1993b: 75 (Tf from Lepthyphantes, S Labulla contortipes chikunii, S rejected by Hormiga, 2003: 276 but misplaced in Labulla per Hormiga & Scharff, 2005: 392).
Weintrauboa chikunii Hormiga, 2003: 276, f. 2A-D, 3I, J, 6A-D (removed from S, Tmf from Labulla, misidentified).
Weintrauboa insularis Hormiga, 2008: 6, f, 6A-C, 7A-C, 8A-C, 9A-B (Tf from Labulla, Dm).
Weintrauboa insularis Ono, Matsuda & Saito, 2009: 344, f. 4-9 (mf).
Weintrauboa insularis Marusik & Kovblyuk, 2011: 217, f. 30.1-7 (mf).
Weintrauboa insularis Sato, 2012: 67, unnumbered f. (m).

Weintrauboa plana Xu & Li, 2009: 58, f. 9-16 (Df).

Weintrauboa pollex Xu & Li, 2009: 58, f. 17-29 (Dmf).

Weintrauboa yele Hormiga, 2008: 5, f. 1A-D, 2A-C, 3A-C, 4A-B, 5A-B (Dmf).

Weintrauboa yunnan Yang, Zhu & Song, 2006b: 237, f. 1A-F, 2G-L, 3M-P, 4Q-T (Dmf).
Weintrauboa chikunii Xu & Li, 2007f: 496, f. 62-74 (mf, misidentified).