The Palaeonisciformes are an extinct order of early ray-finned fishes (Actinopterygii) which began in the Early Silurian and ended in the Late Cretaceous. The name of the order is derived from the Greek words paleo (ancient) and ὀνίσκος (oniskos or woodlouse), probably pertaining to the organization of the fishes` scales, similar to the e....
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http://en.wikipedia.org/wiki/Palaeonisciformes
(from the article `fish`) ...fishes they had peculiar looking jaws and tails. Their tails were heterocercal. On their bodies were thick ganoid scales that abutted each other, ... The most numerous and widespread Paleozoic chondrostean fishes belong to the order Palaeonisciformes. The earliest known chondrosteans (Cheirolepidae ... .....
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http://www.britannica.com/eb/a-z/p/6
The Palaeonisciformes is an order of Actinopterygii. They are carnivorous and have a single large dorsal fin.
Found on
http://www.probertencyclopaedia.com/browse/BP.HTM
No exact match found.
