Last updated Dec. 24, 2003

N.B.: elevated to familial rank by Hormiga, 1993: 534.

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

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

f anatolica Hormiga, 1994....................China
P. a. Hormiga, 1994a: 73, f. 290-300 (Df).

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

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

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

mf cthulhu Hormiga, 1994....................USA
P. c. Hormiga, 1994a: 39, f. 85-116 (Dmf).

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

mf edenticulata Hormiga, 1994....................USA
P. e. Hormiga, 1994a: 94, f. 1, 409-430 (Dmf).

mf gandhii Hormiga, 1994....................India
P. g. Hormiga, 1994a: 60, f. 218-231 (Dmf).

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

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

f indiscreta Hormiga, 1994....................India
P. i. Hormiga, 1994a: 66, f. 248-255 (Df).

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

mf laurae Hormiga, 1994....................USA
P. l. Hormiga, 1994a: 92, f. 2, 390-408 (Dmf).

mf lihengae Griswold, Long & Hormiga, 1999....................China
P. l. Griswold, Long & Hormiga, 1999: 93, f. 1-22 (Dmf).

f mephitis Hormiga, 1994....................USA
P. m. Hormiga, 1994a: 98, f. 431-439 (Df).

f mono Hormiga, 1994....................USA
P. m. Hormiga, 1994a: 50, f. 147-155 (Df).

m nematoides Hormiga, 1994....................Nepal
P. nematoide Hormiga, 1994a: 71, f. 285-289 (Dm).

m petita Hormiga, 1994....................USA
P. p. Hormiga, 1994a: 82, f. 338-344 (Dm).

mf rupicola (Simon, 1884)....................France, Italy
Labulla r. Simon, 1884a: 264 (Df).
Labulla r. Simon, 1929: 624, 741, f. 938-941 (f, Dm).
Labulla r. Fage, 1935: 179, f. 2F (m).
Louisfagea r. Brignoli, 1971d: 161, f. 40-43 (Tmf from Labulla).
Louisfagea r. Thaler, 1976b: 207, f. 11, 13, 16-18 (m).
Louisfagea r. Wunderlich, 1986: 223, f. 250.
Louisfagea r. Maurer & Thaler, 1988: 337, f. 15-16 (f).
P. r. Hormiga, 1994a: 27, f. 15-41 (mf).
P. r. Hormiga, 1994b: 4, f. 1C (m).

mf sinuosa Hormiga, 1994....................Nepal
P. s. Hormiga, 1994a: 67, f. 256-284 (Dmf).

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

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

mf chikunii (Oi, 1979)....................Russia, Japan
Labulla contortipes c. Oi, 1979: 330, f. 9-12 (Dmf).
Labulla contortipes c. Chikuni, 1989b: 48, f. 12 (mf).
Labula c. Eskov, 1992a: 53 (elevated from subspecies of L. contortipes).
Labulla insularis Marusik et al., 1993a: 75 (S, rejected by Hormiga, 2003: 276).
W. c. Hormiga, 2003: 276, f. 2A-D, 3I, J, 6A-D (removed from S, Tmf from Labulla).

mf contortipes (Karsch, 1881) *....................Russia, Japan
Linyphia c. Karsch, 1881c: 39 (Dmf).
Labulla c. Bösenberg & Strand, 1906: 170, pl. 5, f. 49, pl. 11, f. 234, 237 (mf).
Labulla c. Yaginuma, 1971: 43, f. 41.4 (f).
Labulla c. Yaginuma, 1986a: 72, f. 38.2 (mf).
Labulla c. Chikuni, 1989b: 48, f. 11 (mf).
W. c. 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).