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†Hemisphaerium Hemer & Nygreen 1967
urn:lsid:organismnames.com:name:4268430
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vmiimimimm
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†Hemisphaerium Hemer & Nygreen 1967
Hemer & Nygreen 1967. Algae, acritarchs and other microfossils incertae sedis from the Lower Carboniferous of Saudi Arabia. Micropaleontology, 13 1967: 183-194