Ctenacanthus
Ctenacanthus is a prehistoric cartilaginous fish genus. Remains have been found in the Bloyd Formation in Arkansas, United States (Carboniferous period) and in South America.
| 单词 | Concinnus |
| 释义 |
Concinnus
英语百科
CtenacanthusCtenacanthus is a prehistoric cartilaginous fish genus. Remains have been found in the Bloyd Formation in Arkansas, United States (Carboniferous period) and in South America. |
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