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†Axisphaeridium cylindratum Colbath 1979

urn:lsid:organismnames.com:name:411004

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†Axisphaeridium cylindratum Colbath 1979

Colbath 1979. Organic walled microphytoplankton from the Eden Shale (Upper Ordovician), Indiana, USA. Palaeontographica Abteilung B Palaeophytologie, 171(1-3) 1979: 1-38