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†Pieckonia helenae Thompson 1979

urn:lsid:organismnames.com:name:103274

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†Pieckonia helenae Thompson 1979

Thompson 1979. Errant polychaetes (Annelida) from the Pennsylvanian Essex fauna of northern Illinois. Palaeontographica Abteilung A Palaeozoologie-Stratigraphie, 163(4-6) 1979: 169-199