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| Chasmocranus | |
|---|---|
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| Chasmocranus longior top | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Siluriformes |
| Family: | Heptapteridae |
| Genus: | Chasmocranus C. H. Eigenmann, 1912 |
| Type species | |
| Chasmocranus longior Eigenmann, 1912
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| Species | |
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See text | |
Chasmocranus is a genus of three-barbeled catfishes native to South America.