A new species of Corvaspis (Agnatha, Heterostraci) from the upper Silurian to lower or middle Devonian of the North-west Territories, Canada

E. J. Loeffler, and D. L. Dineley

1976

Article

Palaeontology 19(4):757-766

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Taxa discussed in this work:

• Corvaspididae
• Corvaspis arctica
• Cyathaspidida
• Cyathaspidiformes
• Traquairaspidida
• Traquairaspidiformes
• Turneria

Taxonomy:

• Turneria belongs to Hiatellidae - Glibert and van de P (1966)
• Corvaspididae belongs to Heterostraci - Loeffler and Dineley (1976)
• Corvaspis arctica belongs to Corvaspis - Loeffler and Dineley (1976)
• Corvaspis belongs to Corvaspididae - Loeffler and Dineley (1976)
• Traquairaspidida belongs to Heterostraci - Loeffler and Dineley (1976)
• Cyathaspidida belongs to Heterostraci - Loeffler and Dineley (1976)