Risdonius

Life-forms

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: Anapidae
Genus: Risdonius
Species: R. barrington – R. lind – R. parvus
Name

Risdonius Hickman, 1939

Type species: Risdonius parvus Hickman, 1939, by monotypy
References

Hickman, V. V. 1939. On a dipneumone spider (Risdonius parvus, gen. et sp. n.), the female of which has reduced palpi. Proceedings of the Zoological Society of London (B) 108: 655–660. [655]
Platnick, N. I. 2009. The World Spider Catalog, version 9.5. American Museum of Natural History. [1]

Risdonius is a genus of Australian araneomorph spiders in the family Anapidae, first described by V. V. Hickman in 1939.[2]As of April 2019 it contains only three species.[1]
References

"Gen. Risdonius Hickman, 1939". World Spider Catalog. Natural History Museum Bern. Retrieved 2019-05-09.
Hickman, V. V. (1939). "On a dipneumone spider (Risdonius parvus, gen. et sp. n.), the female of which has reduced palpi". Proceedings of the Zoological Society of London. 108 (B): 655–660