Cyathaspididae is an extinct family in the heterostracan order Cyathaspidiformes.[1][2]
| Cyathaspididae | |
|---|---|
| |
| Reconstruction of Cyathaspis banksii | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Infraphylum: | Agnatha |
| Class: | †Pteraspidomorphi |
| Subclass: | †Heterostraci |
| Order: | †Cyathaspidiformes |
| Clade: | †Cyathaspidida |
| Family: | †Cyathaspididae Romer, 1945 |
| Type genus | |
| †Cyathaspis Lankester
| |
| Subfamilies | |
| Synonyms | |
|
Cyathaspidei Kiaer | |
Cyathaspididae 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, Cyathaspididae contains the following genera: †Americaspis, †Archegonaspis, †Capitaspis, †Dikenaspis, †Dinaspidella, †Homaspidella, †Irregulareaspis, †Nahanniaspis, †Pionaspis, †Poraspis, †Ptomaspis, †Seretaspis, †Steinaspis, †Torpedaspis and †Veronaspis.
References edit
- ^ The Classification and Evolution of the Heterostraci. 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 edit
Media related to Cyathaspididae at Wikimedia Commons
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