Cyathaspididae

Cyathaspididae is an extinct family in the heterostracan order Cyathaspidiformes.[1][2]

Cyathaspididae
Reconstruction of Cyathaspis banksii
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Superclass: Agnatha
Class: †Pteraspidomorphi
Subclass: †Heterostraci
Order: †Cyathaspidiformes
Clade: †Cyathaspidida
Family: †Cyathaspididae
Romer, 1945
Type genus
†Cyathaspis
Lankester
Subfamilies
  • Ctenaspinae
  • Cyathaspidinae
  • Poraspinae
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
  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.


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