Vernonaspis
Appearance
Vernonaspis Temporal range:
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Vernonaspis sp. mass mortality. Late Silurian, Cape Storm Formation, Cornwallis Island, Nunavut (Canada) | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Infraphylum: | Agnatha |
Class: | †Pteraspidomorphi |
Subclass: | †Heterostraci |
Order: | †Cyathaspidiformes |
Family: | †Cyathaspididae |
Genus: | †Vernonaspis Flower and Wayland-Smith, 1952 |
Type species | |
Veronaspis allenae Flower and Wayland-Smith, 1952
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Other species | |
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Vernonaspis is an extinct genus of jawless fish that lived in the Silurian in the Paleozoic approximately 419 million years ago, in what is now Canada and the Northeastern United States.[1][2]
References
[edit]- ^ Broad, D. S.; Lenz, A. C. (1972). "A New Upper Silurian Species of Vernonaspis (Heterostraci) from Yukon Territory, Canada". Journal of Paleontology. 46 (3): 415–420. ISSN 0022-3360.
- ^ Denison, Robert H.; Denison, Robert H.; Bamber, E. W.; Hovdebo, H. R.; Lenz, A. C. (1963). New Silurian Heterostraci from southeastern Yukon. [Chicago]: Chicago Natural History Museum.