Gymnocorymbus
- Dataset
- Taxonomic revision and molecular phylogeny of Gymnocorymbus Eigenmann, 1908 (Teleostei, Characiformes, Characidae)
- Rank
- GENUS
Classification
- kingdom
- Animalia
- phylum
- Chordata
- class
- Actinopterygii
- order
- Characiformes
- family
- Characidae
- genus
- Gymnocorymbus
Gymnocorymbus
Key to the species of Gymnocorymbus
1 Thirteen to sixteen gill rakers on lower limb of first branchial arch.............................................. 2
- Eleven (rarely twelve) gill rakers on lower limb of first branchial arch....................... G. bondi (Orinoco basin)
2 Pelvic-fin rays i,6,i or i,7............... G. thayeri [Amazon basin (except Rio Madeira) and rivers of northeastern Brazil]
- Pelvic-fin rays i,5,i or i,6.............................................................................. 3
3 Premaxillary and dentary teeth tricuspidate, five teeth in inner row of premaxillar.............. G. ternetzi (Paraguay basin)
- Premaxillary and dentary teeth pentacuspidate, six to seven teeth in inner row of premaxillar.... G. flaviolimai (Rio Madeira)