Xenacanthus
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| phylum | Chordata | Xenacanthus is a genus of prehistoric sharks. The first species of the genus lived in the later Devonian period, and they survived until the end of the Triassic, 202 million years ago. Fossils of various species have been found worldwide. Xenacanthus had a number of features that distinguished it from modern sharks. This freshwater shark was about one meter (three feet) in length.
For more information, visit the Wikipedia entry. Get back to cartilaginous fishes |
| class | Chondrichthyes | |
| order | Xenacanthida | |
| family | Xenacanthidae | |
| genus | Xenacanthus | |
| Period | Late Devonian Triassic |
