Ryuthela
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''Ryuthela'' is a spider genus in the family
Liphistiidae The spider family Liphistiidae, recognized by Tamerlan Thorell in 1869, comprises 8 genera and about 100 species of medium-sized spiders from Southeast Asia, China, and Japan. They are among the most basal living spiders, belonging to the subord ...
. This genus, as well as their closest relatives, ''
Heptathela ''Heptathela'' is a genus of spiders that includes the Kimura spider (''Heptathela kimurai''). They are trapdoor spiders of the family Liphistiidae and are found in Japan, including Okinawa Island, Okinawa and the Ryukyu Islands. Spiders of this ...
'', formed when land masses from present-day
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
separated from the rest of
Asia Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an area ...
, forming islands in the late Miocene. Speciation of ''Ryuthela'' and ''Heptathela'' also occurred during this time, because of the further separation of islands, causing allopatric speciation.


Species list

* ''
Ryuthela iheyana ''Ryuthela'' is a spider genus in the family Liphistiidae. This genus, as well as their closest relatives, '' Heptathela'', formed when land masses from present-day Japan separated from the rest of Asia, forming islands in the late Miocene. Speci ...
'' Ono, 2002 — Ryukyu Islands * ''
Ryuthela ishigakiensis ''Ryuthela'' is a spider genus in the family Liphistiidae. This genus, as well as their closest relatives, '' Heptathela'', formed when land masses from present-day Japan separated from the rest of Asia, forming islands in the late Miocene. Speci ...
'' Haupt, 1983 — Ryukyu Islands * ''
Ryuthela nishihirai ''Ryuthela nishihirai'' is a species of spider in the family Liphistiidae. They thrive on the Japanese islands of Okinawa is a Prefectures of Japan, prefecture of Japan. Okinawa Prefecture is the southernmost and westernmost prefecture of Ja ...
'' (Haupt, 1979) — Okinawa * ''
Ryuthela sasakii ''Ryuthela'' is a spider genus in the family Liphistiidae. This genus, as well as their closest relatives, '' Heptathela'', formed when land masses from present-day Japan separated from the rest of Asia, forming islands in the late Miocene. Speci ...
'' Ono, 1997 — Ryukyu Islands * ''
Ryuthela tanikawai ''Ryuthela tanikawai'' is a species of spider in the family Liphistiidae The spider family Liphistiidae, recognized by Tamerlan Thorell in 1869, comprises 8 genera and about 100 species of medium-sized spiders from Southeast Asia, China, and J ...
'' Ono, 1997 — Ryukyu Islands


See also

*
List of Liphistiidae species This page lists all described species of the spider family Liphistiidae accepted by the World Spider Catalog : ''Ganthela'' '' Ganthela'' Xu & Kuntner, 2015 * '' G. cipingensis'' (Wang, 1989) — China * '' G. jianensis'' Xu, Kuntner & Chen, 20 ...


References


External links

Liphistiidae Mesothelae genera Spiders of Asia {{spider-stub