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N.B.: the authorship of the family is corrected from Menge, 1866: 90 to Simon, 1864: 244 (sub Tetragnathiens) following the arguing by Marusik & Özkütük, 2026: 276, the French ending -iens was not accepted as taxon at familiar level by Bonnet, Platnick and in the WSC until 2026; considered a senior synonym of Metidae Simon, 1894a: 726 (sub Meteae) by Heimer & Nentwig, 1982: 292 and Levi, 1986a: 93 (although not by Wunderlich, 1986: 115); Metidae/Metinae is preoccupied in the Copepoda and emened to Metainae by ICZN, 2013 (Opinion 2326) following the proposal of Álvarez-Padilla & Hormiga, 2011b; Diphyini is preoccupied in the Hydrozoa and emened to Diphyaini by ICZN, 2021 (Opinion 3774) following the proposal of Marusik, 2018d; see also the notes at the Araneidae, Nephilidae and Phonognathidae; includes taxa placed by Forster & Forster, 1999: 166 in the "Nanometidae" (see Álvarez-Padilla & Hormiga, 2011a: 802); also Leucauginae Caporiacco, 1955: 318 and Pachygnathidae Menge, 1866: 94 are included; Eskov & Marusik, 2024: 52 list five subfamilies as valid: Diphyainae Simon, 1894a: 742 (sub Diphyeae), Leucauginae Caporiacco, 1955: 318, Metainae, Nanometinae Forster & Forster, 1999: 166 and Tetragnathinae.
In synonymy:
Metargyra F. O. Pickard-Cambridge, 1903 = Metabus O. Pickard-Cambridge, 1899 (Álvarez-Padilla, 2007: 297)
Transferred to other genera:
Metabus chilensis (Tullgren, 1902) -- see Allende
Metabus cordillera (Tullgren, 1902) -- see Allende
Metabus echinatus (Tullgren, 1902) -- see Allende
Metabus fuscolimbatus (Archer, 1958) -- see Chrysometa
Metabus longipes (Nicolet, 1849) -- see Allende
Metabus maculatus (Bryant, 1945) -- see Chrysometa
Metabus nigrohumeralis (F. O. Pickard-Cambridge, 1889) -- see Allende
Metabus porteri (Simon, 1900) -- see Allende
Metabus tortus (Tullgren, 1902) -- see Allende
In synonymy:
Metabus gravidus O. Pickard-Cambridge, 1899 = Metabus ocellatus (Keyserling, 1864) (Álvarez-Padilla, 2007: 300)
Nomen dubium:
Metabus fuegianus (Simon, 1902h: 26, j, Chile, originally in Meta) -- Álvarez-Padilla, 2007: 300
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