Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: Chelicerata
Classis: Arachnida
Ordo: Araneae
Subordo: Opisthothelae
Infraordo: Araneomorphae
Taxon: Neocribellatae
Series: Entelegynae
Superfamilia: Araneoidea
Familia: Tetragnathidae
Subfamilia: Leucauginae
Genus: Opas
Species: O. caudacuta – O. caudata – O. lugens – O. melanoleuca – O. paranensis – O. trilineata
Name
Opas O. P.-Cambridge, 1896
Type species: Opas lugens O. P.-Cambridge, 1896
References
Cambridge, O. P.-. 1896. Arachnida. Araneida. In Biologia Centrali-Americana, Zoology. London, 1: 161–224. [185]
Levi, H. W. 2008. On the tetragnathid genera Alcimosphenus, Leucauge, Mecynometa and Opas (Araneae, Tetragnathidae). Journal of Arachnology 36: 167–170. PDF
Platnick, N. I. 2009. The World Spider Catalog, version 9.5. American Museum of Natural History. [1]
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