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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: Theridiidae
Subfamilia: Hadrotarsinae
Genus: Phycosoma
Species: P. altum – P. amamiensis – P. corrugum – P. crenatum – P. diaoluo – P. digitula – P. excisum – P. flavomarginatum – P. hainanense – P. hana – P. inornatum – P. jamesi – P. japonicum – P. labiale – P. ligulaceum – P. lineatipes – P. martinae – P. menustya – P. mustelinum – P. nigromaculatum – P. oecobioides – P. sinicum – P. spundana – P. stellare – P. stictum – P. stigmosum

Phycosoma Pickard-Cambridge, 1879

Type species: Phycosoma oecobioides O. P.-Cambridge, 1879

gender: neuter

Trigonobothrys Simon, 1889 [syn. Fitzgerald & Sirvid (2003: 28, with incorrect reversal of priority)]


Fitzgerald, B.M.; Sirvid, P.J. 2004: Notes on the genus Phycosoma Cambridge, 1879, senior synonym of Trigonobothrys Simon, 1889 (Theridiidae: Araneae). Tuhinga 15: 7–12. abstract and full article (PDF) Reference page.
Sudhikumar A.V., Mathew, M.J. & Sebastian, P.A. 2004. Hither to unknown Genus Trigonobothrys Simon (Theridiidae: Araneae) from India with description of the female of Trigonobothrys martinae. Entomon 29(1): 51-55. Reference page.
Zhang, F. & Zhang, B.S., 2012a. Spiders of the genus Phycosoma O. P.-Cambridge, 1879 (Araneae: Theridiidae) from Hainan Island, China. Zootaxa 3339: 30–43. Preview Reference page.


Platnick, N. I. 2008. The World Spider Catalog, version 9.0. American Museum of Natural History. [1]

Vernacular names
English: Phycosoma

Phycosoma is a genus of comb-footed spiders that was first described by Octavius Pickard-Cambridge in 1880.[3]

As of May 2020 it contains twenty-six species, found worldwide:[1]

Phycosoma altum (Keyserling, 1886) – Mexico to Brazil. Introduced to Hawaii
Phycosoma amamiense (Yoshida, 1985) – Russia (Far East), China, Korea, Japan (mainland, Ryukyu Is.)
Phycosoma corrugum Gao & Li, 2014 – China
Phycosoma crenatum Gao & Li, 2014 – China
Phycosoma diaoluo Zhang & Zhang, 2012 – China
Phycosoma digitula Zhang & Zhang, 2012 – China
Phycosoma excisum (Simon, 1889) – Madagascar
Phycosoma flavomarginatum (Bösenberg & Strand, 1906) – China, Korea, Japan
Phycosoma hainanensis (Zhu, 1998) – China, Laos
Phycosoma hana (Zhu, 1998) – China
Phycosoma inornatum (O. Pickard-Cambridge, 1861) – Europe, Turkey, Azerbaijan
Phycosoma jamesi (Roberts, 1979) – Jamaica, Panama
Phycosoma japonicum (Yoshida, 1985) – Korea, Japan
Phycosoma labialis (Zhu, 1998) – China
Phycosoma ligulaceum Gao & Li, 2014 – China
Phycosoma lineatipes (Bryant, 1933) – USA to Brazil
Phycosoma martinae (Roberts, 1983) – Seychelles, India, China, Korea, Japan (Ryukyu Is.), Philippines
Phycosoma menustya (Roberts, 1983) – Seychelles
Phycosoma mustelinum (Simon, 1889) – Russia (Far East), China, Korea, Japan, Indonesia (Krakatau)
Phycosoma nigromaculatum (Yoshida, 1987) – China, Taiwan, Japan, Ryukyu Is.
Phycosoma oecobioides O. Pickard-Cambridge, 1880 (type) – New Zealand (mainland, Chatham Is.)
Phycosoma sinica (Zhu, 1992) – China, Vietnam
Phycosoma spundana (Roberts, 1978) – Seychelles
Phycosoma stellaris (Zhu, 1998) – China
Phycosoma stictum (Zhu, 1992) – China
Phycosoma stigmosum Yin, 2012 – China

See also

List of Theridiidae species


"Gen. Phycosoma O. Pickard-Cambridge, 1879". World Spider Catalog Version 20.0. Natural History Museum Bern. 2020. doi:10.24436/2. Retrieved 2020-06-30.
Fitzgerald, B. M.; Sirvid, P. J. (2003). "The genus Trigonobothrys in New Zealand and a redescription of Achaearanea blattea (Theridiidae: Araneae)". Tuhinga. 14: 28.

Pickard-Cambridge, O. (1880). "On some new and rare spiders from New Zealand, with characters of four new genera". Proceedings of the Zoological Society of London. 47: 681–703.

Further reading
Zhu, M. S. (1998). Fauna Sinica: Arachnida: Araneae: Theridiidae. Science Press, Beijing. p. 436.
Song, D. X.; Zhu, M. S.; Chen, J. (1999). The spiders of China. Hebei Science and Technology Publishing House, Shijiazhuang. p. 640.
Yoshida, H. (2002). "A revision of the Japanese genera and species of the subfamily Hadrotarsinae (Araneae: Theridiidae)". Acta Arachnologica. 51: 7–18.
Zhang, F.; Zhang, B. S. (2012). "Spiders of the genus Phycosoma O. P.-Cambridge, 1879 (Araneae: Theridiidae) from Hainan Island, China". Zootaxa. 3339: 30–43.


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