Zygospira and some related Ordovician and Silurian atrypoid brachiopods

P. Copper

1977

Article

Palaeontology 20(2):295-335

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Taxonomy:

• Anazyga recurvirostra belongs to Anazyga - Copper (1977)
• Zygospira resupinata belongs to Zygospira - Copper (1977)