Linyphiidae Blackwall, 1859

Family |   ACCEPTED
N.B.: for comments on relationships, see Michalik & Hormiga, 2010: 7; re-synonymization of Pimoidae (Murphy & Roberts, 2015: ix) not sufficiently justified and is not accepted here; Sinopimoidae Li & Wunderlich, 2008 [urn:lsid:nmbe.ch:spiderfam:0112] synonymyized with Linyphiidae by Dimitrov et al., 2017: 245; resurrection of Sinopimoidae by Wunderlich, 2020b: 20 is not accepted here, because Dimitrov et al., 2017 was not taken into account; re-elevation of Sinopimoidae to family level by Eskov & Marusik, 2023: 343 not accepted here (by majority vote of the WSC boards); the current status of Sinopimoidae is also maintained for reasons of stability and we wait for a probable confirmation or rejection of this resurrection; Tian et al., 2022 show five subfamilies: Linyphiinae (incl. Mynogleninae  Lehtinen, 1967: 250 and Dubiaraneinae Millidge, 1993c: 145), Erigoninae Emerton, 1882: 7, Micronetinae Hull, 1920a: 8, Ipainae Saaristo, 2007b: 34 and Stemonyphantinae Wunderlich, 1986: 120; da Silva-Moreira, Kulkarni & Hormiga, 2025: 60-62 list resp. newly circumscribe six subfamilies: Erigoninae, Lepthyphantinae Simon, 1929: 562, Linyphiinae (syn. nov.: Dubiaraneinae), Mynogleninae, Pocobletinae Silva-Moreira & Hormiga, 2025: 61 (new subfamily) and Stemonyphantinae, state Ipainae and Micronetinae to be polyphyletic, leave several linyphiid clades unranked and also several genera as incertae sedis.
Gen. Formiphantes Saaristo & Tanasevitch, 1996 urn:lsid:nmbe.ch:spidergen:00980
type Taranucnus lephthyphantiformis Strand, 1907; gender masculine

In synonymy:

Formiphantes cristatus pallidus (Miller & Kratochvíl, 1938) = Formiphantes lephthyphantiformis (Strand, 1907) (Miller & Zitnanská, 1976b: 317, sub Lepthyphantes)

Formiphantes pallidiventris (Miller & Kratochvíl, 1948) = Formiphantes lephthyphantiformis (Strand, 1907) (Miller & Zitnanská, 1976b: 317, sub Lepthyphantes)

Formiphantes pisai (Miller, 1951) = Formiphantes lephthyphantiformis (Strand, 1907) (Wunderlich, 1973b: 423, sub Lepthyphantes)

Formiphantes pisai bukkensis (Loksa, 1970) = Formiphantes lephthyphantiformis (Strand, 1907) (Thaler, 1973b: 303, sub Lepthyphantes pisai)

Formiphantes lephthyphantiformis (Strand, 1907) | | France, Belgium, Italy, Central Europe, Serbia, Baltic States, Belarus urn:lsid:nmbe.ch:spidersp:010618 TYPE SPECIES
Taranucnus lephthyphantiformis Strand, 1907c: 570 (Dmf) Original description
Lepthyphantes cristatus pallidus Miller & Kratochvíl, 1938: 238, 242, f. 3 (Df; preoccupied by O. Pickard-Cambridge, 1871, see Palliduphantes pallidus) [urn:lsid:nmbe.ch:spidersp:061443]
Troglohyphantes lephthyphantiformis Roewer, 1942a: 566
Lepthyphantes pallidiventris Miller & Kratochvíl, 1948: 139, f. 2e-g (f; m see Tenuiphantes cristatus; elevated from subspecies, L. cristatus pallidus Miller & Kratochvíl, 1938, and replacement name) [urn:lsid:nmbe.ch:spidersp:061444]
Lepthyphantes pisai Miller, 1951: 239, pl. II, f. 12-20 (Dmf) [urn:lsid:nmbe.ch:spidersp:061445]
Lepthyphantes pisai Wiehle, 1965a: 35, f. 45-47 (f)
Lepthyphantes pisai bükkensis Loksa, 1970: 274, f. 12-16 (Dmf) [urn:lsid:nmbe.ch:spidersp:061446]
Lepthyphantes pallidiventris Miller, 1971: 226, pl. XLIII, f. 19 (f; m see Tenuiphantes cristatus)
Lepthyphantes pisai Miller, 1971: 225, pl. XLIII, f. 20, pl. XLIX, f. 4 (mf)
Lepthyphantes pisai Palmgren, 1973: 31, f. 2 (f)
Lepthyphantes pisai Thaler, 1973b: 303, f. 54-65 (mf, S of Formiphantes pisai bukkensis)
Lepthyphantes lephthyphantiformis Wunderlich, 1973b: 423 (T from Troglohyphantes, S of Lepthyphantes pisai)
Lepthyphantes lephthyphantiformis Wunderlich, 1974b: 161, f. 1-3 (m)
Lepthyphantes lephthyphantiformis Miller & Zitnanská, 1976b: 317, pl. II, f. 1-2 (f, S of Lepthyphantes cristatus pallidus and L. pallidiventris)
Lepthyphantes lephthyphantiformis Heimer & Nentwig, 1991: 192, f. 526 (mf)
Formiphantes lephthyphantiformis Saaristo & Tanasevitch, 1996b: 186, f. 8B, 9A, 16C (mf, T from Lepthyphantes)
Formiphantes lephthyphantiformis Michaud, 2022: 2, f. 2-4 (m)

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