Benneviaspidida: Difference between revisions
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Category:Prehistoric fish orders |
cornuata |
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***** [[Sclerodontidae]] |
***** [[Sclerodontidae]] |
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***** [[Tannuaspidida]] |
***** [[Tannuaspidida]] |
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***** [[Cornuata]] |
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****** [[Cephalaspidida]] |
****** [[Cephalaspidida]] |
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******[[Zenaspidida]] |
******[[Zenaspidida]] |
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Revision as of 15:33, 16 April 2016
| Benneviaspidida Temporal range: Early Devonian
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| Boreaspis, a fish in order Benneviaspidida | |
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| Order: | Benneviaspidida
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Benneviaspidida is an order in cladogram of prehistoric fishes which lived in the Early Devonian. The fishes in order Benneviaspidida have flat headshield and dorsoventrally depressed. They have also short body. The first canal to lateral sensory field bifurcates near the orbit.