Alainaspis
Extinct genus of jawless fishes
| Alainaspis platyrhina Temporal range: Upper Silurian PreꞒ Ꞓ O S D C P T J K Pg N | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordate |
| Class: | Heterostraci |
| Order: | Cyathaspidiformes |
| Suborder: | Cyathaspidida |
| Family: | Ctenaspidae |
| Genus: | Alainaspis Elliott & Dineley, 1985 |
| Species: | A. platyrhina |
| Binomial name | |
| Alainaspis platyrhina Elliott & Dineley, 1985 | |
Alainaspis platyrhina is an extinct cyathaspidid heterostracan agnathan vertebrate which existed in a marine environment in what is now the Northwest Territories of Canada, during the upper Silurian period.[1] It was first named by David Elliott and David Dineley in 1985, and is placed in the monotypic genus Alainaspis, closely related to Boothiaspis.[2]
References
- ^ David K. Elliott & David L. Dineley (1985). "A new heterostracan from the Upper Silurian of Northwest Territories, Canada". Journal of Vertebrate Paleontology. 5 (2): 103–110. doi:10.1080/02724634.1985.10011848. JSTOR 4523034.
- ^ David K. Elliott & David L. Dineley (1991). "Additional information on Alainaspis and Boothiaspis, cyathaspidids (Agnatha: Heterostraci) from the Upper Silurian of Northwest Territories, Canada". Journal of Paleontology. 65 (2): 308–313. doi:10.1017/S0022336000020540. JSTOR 1305766.
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