| Benneviaspidida Temporal range: Early Devonian | |
|---|---|
 | |
| Life restoration of Boreaspis | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | †Osteostraci |
| Order: | †Benneviaspidida |
| Subgroups[1] | |
| |
Benneviaspidida is an order of osteostracan jawless fishes which lived in the Early Devonian. The fishes in this order have a flat headshield and are dorsoventrally depressed. The first canal to lateral sensory field bifurcates near the orbit.
Phylogeny
The cladogram below is adapted from Sansom (2009):[1]
| Benneviaspidida |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
References
- 1 2 Sansom, R. S. (2009). "Phylogeny, classification and character polarity of the Osteostraci (Vertebrata)". Journal of Systematic Palaeontology. 7 (1): 95–115. doi:10.1017/S1477201908002551.
External links
- Benneviaspidida at Palaeos
- Osteostraci by Philippe Janvier
- Osteostraci at Mikko's Phylogeny Archive
- Early Devonian osteostracans from Russia
| ||||||||||||||||||||||||||||||||||||||||
|  | |||||||||||||||||||||||||||||||||||||||
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.