N.B.: family name and authorship as per ICZN, 2009 Opinion 2224, after application by Kluge, 2007; Arkyinae L. Koch, 1872 (genera Arkys Walckenaer, 1837 and Demadiana Strand, 1929) elevated to Arkyidae by Dimitrov et al., 2017: 244; monophyly of Araneidae stated by Kallal et al., 2018: 138; Nephilinae Simon, 1894 [urn:lsid:nmbe.ch:spiderfam:0111] elevated to family and relimited by Kuntner, 2006: 24, re-synonymized with Araneidae by Dimitrov et al., 2017: 244; Nephilinae and Phonognathinae Simon, 1894 (Simon, 1894a: 746 as Phonognatheae), the valid name for Zygiellinae Simon, 1929 sensu Wunderlich, 2004f, elevated to family by Kuntner et al., 2019: 563, not accepted by Scharff et al., 2020 and Kallal et al., 2020, and confirmed as family by Kuntner et al., 2023: 969-970 along with the separation of Paraplectanoididae Kuntner, Coddington, Agnarsson & Bond, 2023; Nephilinae and Phonognathinae downgraded to subfamily and Paraplectanoididae considered a synonym of Araneidae by Hormiga et al., 2023: 803; family status of Paraplectanoididae, Nephilidae and Phonognathidae revalidated by Kuntner et al., 2025: 17, 23, but not accepted here for reasons of stability; Oarcinae (Gnolus and Oarces) transferred from the Mimetidae to the Araneidae by Dimitrov et al., 2012: Suppl. 1, p. 15, re-transfer to the Mimetidae by Eskov & Marusik, 2023: 340 not accepted here (by majority vote of the WSC boards); Eskov & Marusik, 2023: 241 and Eskov & Marusik, 2024: 52 consider Zygiellidae as the valid name instead of Phonognathidae and accept the family status of Nephilidae; the status of the Nephilinae and Phonognathinae (= Zygiellidae) as subfamilies is accepted by majority vote of the WSC boards; Eskov & Marusik, 2024: 52 list ten subfamilies and tribes as valid (besides Nephilidae and Zygiellidae): Araneinae, Argiopinae Simon, 1890a: 81 (sub Argiopidae), Cyrtarachninae Simon, 1895a: 876 (sub Cyrtarachneae), Сyrtophorinae Simon, 1895a: 876 (sub Cyrtophoreae), Gasteracanthinae O. Pickard-Cambridge, 1871e: 217 (sub Gasteracanthides), Micratheninae Simon, 1895a: 848 (sub Micratheneae), Guizygiellinae Zhu, Song & Zhang, 2003: 42, Caerostrini Simon, 1895a: 831 (sub Cerostreae), Hypognathini Simon, 1895a: 871 (sub Hypognatheae) and Poltyini Simon, 1895a: 888 (sub Poltyeae).
In synonymy:
Allepeira Banks, 1932 = Mecynogea Simon, 1903 (Levi, 1968a: 322)
Hentzia McCook, 1894 = Mecynogea Simon, 1903 (Levi, 1968a: 322, together with its replacement name Allepeira)
Transferred to other genera:
Mecynogea carvalhoi Mello-Leitão, 1944 -- see Argiope
Mecynogea guianensis Mello-Leitão, 1948 -- see Manogea
Mecynogea guyanensis (Keyserling, 1881) -- see Manogea
In synonymy:
Mecynogea affinitata (Kraus, 1955) = Mecynogea lemniscata (Walckenaer, 1841) (Levi, 1980a: 14)
Mecynogea basilica (McCook, 1878) = Mecynogea lemniscata (Walckenaer, 1841) (Archer, 1940: 24, sub Allepeira conferta)
Mecynogea bimucronata (Mello-Leitão, 1936, T from Gea) = Mecynogea erythromela (Holmberg, 1876) (Levi, 1997: 224)
Mecynogea bituberculata (Mello-Leitão, 1939, T from Mangora) = Mecynogea erythromela (Holmberg, 1876) (Levi, 1997: 225)
Mecynogea chavona Levi, 1997 = Mecynogea infelix (Soares & Camargo, 1948) (Martins & Santos, 2018: 425)
Mecynogea conferta (Hentz, 1850) = Mecynogea lemniscata (Walckenaer, 1841) (Chamberlin & Ivie, 1944: 93, sub Allepeira)
Mecynogea trivittata (O. Pickard-Cambridge, 1889) = Mecynogea lemniscata (Walckenaer, 1841) (Levi, 1997: 228)
Mecynogea tucumana Simon, 1903 = Mecynogea erythromela (Holmberg, 1876) (Levi, 1997: 224)
Mecynogea wiedenmeyeri (Schenkel, 1953, T from Gea) = Mecynogea lemniscata (Walckenaer, 1841) (Levi, 1997: 228)