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.

In synonymy:

Bonnetia Caporiacco, 1955 = Tutaibo Chamberlin, 1916 (Racenis, 1955: 450, sub Caporiacconia, replacement name)

Caporiacconia Racenis, 1955 = Tutaibo Chamberlin, 1916 (Millidge, 1991: 162)

Gen. Tutaibo Chamberlin, 1916 urn:lsid:nmbe.ch:spidergen:01332
type Tutaibo debilipes Chamberlin, 1916; gender masculine
N.B.: considered a senior synonym of Caporiacconia Racenis, 1955: 450 [urn:lsid:nmbe.ch:spidergen:04866], replacement name for Bonnetia Caporiacco, 1955: 327 [urn:lsid:nmbe.ch:spidergen:04865] (type Frontina phoenicea O. Pickard-Cambridge, 1894), preoccupied in Diptera by Robineau & Desvoidy, 1830 and in Gastropoda by Cossmann, 1907), by Millidge, 1991: 162 (through transfer of the type species).

In synonymy:

Tutaibo erythroides (Chamberlin, 1924, T from Bathyphantes) = Tutaibo anglicanus (Hentz, 1850) (Ivie, 1969: 6, sub Ceratinopsis)

Tutaibo nitidus (Keyserling, 1891, T from Erigone) = Tutaibo velox (Keyserling, 1886) (Miller, 2007a: 184)

Tutaibo tristis Millidge, 1991 = Tutaibo velox (Keyserling, 1886) (Miller, 2007a: 184)

Nomen dubium:

Tutaibo affinis (Caporiacco, 1955: 328, f. 21, f, Venezuela, originally in Bonnetia) -- Miller, 2007a: 259

Tutaibo anglicanus (Hentz, 1850) | | USA urn:lsid:nmbe.ch:spidersp:013152
Theridion anglicanum Hentz, 1850: 275, pl. 9, f. 6 (Df) Original description
Erigone purpurescens Keyserling, 1886b: 187, pl. 17, f. 248a (f; misidentified per Bishop & Crosby, 1930: 15)
Bathyphantes anglicanum Banks, 1899b: 189
Ceratinopsis anglicanum Crosby, 1905a: 316, 341
Bathyphantes erythroides Chamberlin, 1924a: 7, pl. 2, f. 9 (Df) [urn:lsid:nmbe.ch:spidersp:062899]
Ceratinopsis anglicana Bishop & Crosby, 1930: 15, pl. 3, f. 1-4 (f, Dm)
Ceratinopsis anglicanus Ivie, 1969: 6 (S of Bathyphantes erythroides)
Tutaibo anglicanus Millidge, 1991: 165, f. 693-694 (mf, T from Ceratinopsis)
Tutaibo carita Cajade, 2024 | | Uruguay urn:lsid:nmbe.ch:spidersp:062900
Tutaibo carita Cajade in Cajade et al., 2024b: 196, f. 1A-E, 2A-D, 6A-C (Dmf) Original description
Tutaibo debilipes Chamberlin, 1916 | | Peru urn:lsid:nmbe.ch:spidersp:013153 TYPE SPECIES
Tutaibo debilipes Chamberlin, 1916: 237, pl. 17, f. 9-10 (Dmf) Original description
Tutaibo debilipes Bishop & Crosby, 1930: 31, pl. 6, f. 43-44 (m)
Tutaibo debilipes Millidge, 1991: 160, f. 666-671, 673 (mf)
Tutaibo formosus Millidge, 1991 | | Peru urn:lsid:nmbe.ch:spidersp:013154
Tutaibo formosus Millidge, 1991: 165, f. 691-692 (Dm) Original description
Tutaibo fucosus (Keyserling, 1891) | | Brazil urn:lsid:nmbe.ch:spidersp:010440
Erigone fucosa Keyserling, 1891: 240, f. 182a-b (Dm) Original description
Erigone fucosa Roewer, 1955c: 1497 (nicht zu deuten = nomen dubium)
Tutaibo fucosus Miller, 2007a: 185, f. 139A-B (m, removed from nomen dubium, T from Erigone)
Tutaibo niger (O. Pickard-Cambridge, 1882) | | Brazil urn:lsid:nmbe.ch:spidersp:013155
Sphecozone nigra O. Pickard-Cambridge, 1882c: 428, pl. 29, f. 4 (Dm) Original description
Tutaibo niger Millidge, 1991: 162, f. 676-678 (f, T from Sphecozone)
Tutaibo phoeniceus (O. Pickard-Cambridge, 1894) | | Mexico, Guatemala urn:lsid:nmbe.ch:spidersp:013156
Frontina phoenicea O. Pickard-Cambridge, 1894a: 144, pl. 17, f. 1-2 (Dmf) Original description
Sthelota phoenicea F. O. Pickard-Cambridge, 1902a: 416
Bonnetia phoenicea Caporiacco, 1955: 327 (T from Sthelota)
Caporiacconia phoenicea Racenis, 1955: 450 (generic replacement name)
Tutaibo phoeniceus Millidge, 1991: 162, f. 681-685 (mf, T from Caporiacconia)
Tutaibo phoeniceus Miller, 2007a: 180, f. 137A-D, 140A-F, 141A-E (mf)
Tutaibo pullus Millidge, 1991 | | Colombia urn:lsid:nmbe.ch:spidersp:013157
Tutaibo pullus Millidge, 1991: 162, f. 672, 674-675 (Df) Original description
Tutaibo rubescens Millidge, 1991 | | Colombia urn:lsid:nmbe.ch:spidersp:013158
Tutaibo rubescens Millidge, 1991: 165, f. 686-690 (Dmf) Original description
Tutaibo rusticellus (Keyserling, 1891) | | Brazil urn:lsid:nmbe.ch:spidersp:010499
Erigone rusticella Keyserling, 1891: 238, f. 180a-c (Dmf) Original description
Erigone rusticella Roewer, 1955c: 1501 (nicht zu deuten = nomen dubium)
Tutaibo rusticellus Miller, 2007a: 182, f. 138A-B, E, 142C (mf, removed from nomen dubium, T from Erigone)
Tutaibo sam Cajade, 2024 | | Uruguay urn:lsid:nmbe.ch:spidersp:062901
Tutaibo sam Cajade in Cajade et al., 2024b: 200, f. 3A-E, 4A-D, 7A-C (Dmf) Original description
Tutaibo velox (Keyserling, 1886) | | Brazil, Uruguay urn:lsid:nmbe.ch:spidersp:010525
Erigone velox Keyserling, 1886b: 273, f. 322 (Df) Original description
Erigone nitida Keyserling, 1891: 239, f. 181a-c (Dmf) [urn:lsid:nmbe.ch:spidersp:010472]
Erigone nitida Roewer, 1955c: 1500 (nicht zu deuten = nomen dubium)
Tutaibo tristis Millidge, 1991: 162, f. 679-680 (Df) [urn:lsid:nmbe.ch:spidersp:013159]
Tutaibo velox Miller, 2007a: 184, f. 138C-D, F, 142D (mf, removed from nomen dubium, T from Erigone, S of Erigone nitida and Tutaibo tristis)
Tutaibo velox Cajade et al., 2024b: 206, f. 5A-D, 8A-B (mf)

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