Poraspis
Poraspis Temporal range:
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Subclass: | Heterostraci
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Family: | Cyathaspidae
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Genus: | Poraspis Kiær, 1930
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Poraspis is an extinct genus of heterostracan.[1] Fossils are found in Late Silurian and Early Devonian marine strata of Norway, Canada and the United States.
References[]
- ^ David K. Elliott & Michael A. Petriello (2011). "New poraspids (Agnatha, Heterostraci) from the Early Devonian of the western United States". Journal of Vertebrate Paleontology. 31 (3): 518–530. doi:10.1080/02724634.2011.557113.
Categories:
- Cyathaspidida
- Silurian first appearances
- Devonian extinctions
- Fossil taxa described in 1930
- Paleozoic jawless fish
- Paleozoic fish of North America
- Cyathaspidiformes genera
- Pteraspidomorphi stubs
- Silurian animal stubs
- Devonian jawless fish stubs