Cyathaspidae

Cyathaspidae
Reconstruction of Cyathaspis banksii
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Pteraspidomorphi
Order:	Cyathaspidiformes
Suborder:	Cyathaspidida
Family:	†Cyathaspidae Romer, 1945
Type genus
†Cyathaspis
Subfamilies
Ctenaspinae Cyathaspidinae Poraspinae
Synonyms
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

1. The Classification and Evolution of the Heteraostraci. L. Beverly Tarlo, Acta Palaeontologica Polonica, 1962
2. 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

• Media related to Cyathaspidae at Wikimedia Commons