Benneviaspidida
| Benneviaspidida Temporal range: 416–398 Ma Early Devonian | |
|---|---|
 | |
| Boreaspis, a fish in order Benneviaspidida | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Osteostraci |
| Order: | Benneviaspidida |
| Families | |
Benneviaspidida is an order in the cladogram of the prehistoric jawless fishes which lived in the Early Devonian. The fishes in order Benneviaspidida have flat headshield and are dorsoventrally depressed. They have also a short body. The first canal to lateral sensory field bifurcates near the orbit.
Phylogeny
- Osteostraci
- Ateleaspis
- Aceraspis
- Tuvaspis
- Hirella
- Hemicyclaspis
- Tremataspidae
- Dartmuthiidae
- Sclerodontidae
- Tannuaspidida
- Cornuata
- Cephalaspidida
- Zenaspidida
- Benneviaspidida
- Hemicyclaspis
- Hirella
References
External links
- Benneviaspidida at Palaeos
- Osteostraci by Philippe Janvier
- Osteostraci at Mikko's Phylogeny Archive
- Early Devonian osteostracans from Russia
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