Biology:Cyathaspidae
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| Cyathaspidae | |
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| Reconstruction of Cyathaspis banksii | |
| Scientific classification | |
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| Family: | †Cyathaspidae Romer, 1945
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| Type genus | |
| †Cyathaspis Lankester
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| Subfamilies | |
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| Synonyms | |
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Cyathaspidei Kiaer | |
Cyathaspidae is an extinct family in the heterostracan order Cyathaspidiformes.[1][2]
Cyathaspidae contains most of the genera originally contained within Cyathaspididae, as well as those genera contained within Irregularaspididae, and Poraspididae. In addition to the type genus, †Cyathaspis, Cyathaspidae contains the following genera: †Americaspis, †Archegonaspis, †Capitaspis, †Dikenaspis, †Dinaspidella, †Homaspidella, †Irregulareaspis, †Nahanniaspis, †Pionaspis, †Poraspis, †Ptomaspis, †Seretaspis, †Steinaspis, †Torpedaspis and †Veronaspis.
References
- ↑ The Classification and Evolution of the Heteraostraci. L. Beverly Tarlo, Acta Palaeontologica Polonica, 1962
- ↑ Elliott, D. K. (2013). "A new cyathaspid (Agnatha, Heterostraci) with an articulated oral cover from the Late Silurian of the Canadian Arctic". Journal of Vertebrate Paleontology 33: 29–34. doi:10.1080/02724634.2012.717568.
External links
Wikidata ☰ Q21291064 entry
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