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†Sphairionia Nguyen 1989
urn:lsid:organismnames.com:name:941413
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73
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†Sphairionia Nguyen 1989
Nguyen 1989. Sphairionia sikuoides gen. et sp. nov., a Permian incertae sedis organism. Congres International de Stratigraphie et de Geologie du Carbonifere Compte Rendu, 11(3) 1989: 73-78