The Middle Ordovician of the Oslo region,Norway, 30. The eocrinoid genera Cryptocrinites, Rhipidocystis and Bockia

J. F. Bockelie

1981

Article

Norsk Geologisk Tidskrift 61:123-147

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Taxa discussed in this work:

• Bockia grava
• Bockia heintzi
• Bockia mirabilis