Taxonomy and Paleobiogeography of the Ordovician Clisospiridae and Onychochilidae (Mollusca)

J. Fryda, and D. M. Rohr

1999

Article

Acta Universitatis Carolinae, Geologica 43:405-408

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Taxonomy:

• Antispira belongs to Onychochilidae - Fryda and Rohr (1999)
• Invertospira belongs to Antispira - Fryda and Rohr (1999)
• Antispira ferrigena belongs to Antispira - Fryda and Rohr (1999)