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Fossil collection records
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Classification of Uyeno and Hasegawa 1986
Subcl.
Elasmobranchii
Bonaparte 1838 [elasmobranch]
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Or.
Rajiformes
Berg 1940 [ray]
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Fm. †
Sclerorhynchidae
Capetta 1974
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G. †
Ischyrhiza
Leidy 1856
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†
Ischyrhiza iwakiensis
Uyeno and Hasegawa 1986