Chondrenchelys
Chondrenchelys is an extinct genus of cartilaginous fish and the earliest member of Holocephali known from complete skeletons. Chondrenchelys would have been quite a relatively medium-sized fish with an elongated body up to 18 cm (0.59 ft)in length, it had a dorsal fin which was indeed long and a body which tapered to a point. Chondrenchelys had one large pair, one middle-sized pair, and three small pair of tooth plates in each jaw.
| Chondrenchelys Temporal range: | |
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| Scientific classification | |
| Kingdom: | |
| Phylum: | |
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| Order: | Chondrenchelyiformes |
| Family: | Chondrenchelyidae |
| Genus: | Chondrenchelys Traquair, 1888 |
| Species: | C. problematica |
| Binomial name | |
| Chondrenchelys problematica Traquair, 1888 | |
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