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''Ranina'' is a genus of crabs belonging to the family Raninidae. ''Ranina ranina'' is the only extant species. All the others are extinct. Fossils of these crabs have been found in the sediments of United States, Mexico, Italy, Turkey and Australia from the Paleogene period to Recent (age range: 48.6 to 0.0 Ma). 〔 ( Fossilworks )〕 ==Species== Species within this genus include: 〔〔(Catalogue of life ) 〕 *† ''Ranina americana'' Withers 1924 *† ''Ranina berglundi'' Squires and Demetrion 1992 *† ''Ranina bouilleana'' Milne-Edwards 1872 *† ''Ranina brevispina'' Lorenthey 1898 *† ''Ranina burleighensis'' Holland and Cvancara 1958 *† ''Ranina cuspidata'' Guppy 1909 *† ''Ranina elegans'' Rathbun 1945 *† ''Ranina granulosa'' Milne-Edwards 1872 *† ''Ranina haszlinskyi'' Reuss 1859 *† ''Ranina hirsuta'' Schafhautl 1863 *† ''Ranina lamiensis'' Rathbun 1945 *† ''Ranina molengraaffi'' Van Straelen 1924 *† ''Ranina oblonga'' Munster 1840 *† ''Ranina palmea'' Sismonda 1846 *† ''Ranina porifera'' Woodward 1866 *† ''Ranina propinqua'' Ristori 1891 *† ''Ranina quinquespinosa'' Rathbun 1945 * ''Ranina ranina'' Linnaeus 1758 (the only extant species) *† ''Ranina speciosa'' Munster 1840 *† ''Ranina tejoniana'' Rathbun 1926 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Ranina」の詳細全文を読む スポンサード リンク
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