Petilipinnis is a monospecific genus of freshwater ray-finned fish belonging to the family Sciaenidae, the drums and croakers. Its only species is Petilipinnis grunniens, a fish found in the drainage systems of the Amazon, Cuyuni and Essequibo Rivers in Guyana, eastern Venezuela and northern Brazil.
| Petilipinnis | |
|---|---|
 | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Acanthuriformes |
| Family: | Sciaenidae |
| Genus: | Petilipinnis Casatti, 2002 |
| Species: | P. grunniens |
| Binomial name | |
| Petilipinnis grunniens (Jardine & Schomburgk, 1843) | |
| Synonyms[2] | |
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