Assembled here is a reasonably complete list of annotated codes for historical and modern
natural history collections associated with lost and extant specimens of fossil and Recent …

This study presents an extensive review of published and unpublished occurrence records
of fish species in the Rio Negro drainage system within the Brazilian territory. The data was …

The Guiana Shield in northeastern South America contains some of the largest tracts of
intact forests on the globe. Guyana alone has more than 80% forest cover. In south-central …

Approximately two-dozen species in three genera of the Neotropical suckermouth armored
catfish family Loricariidae are the only described fishes known to specialize on diets …

Despite conservation of the diploid number, a huge diversity in karyotype formulae is found
in the Ancistrini tribe (Loricariidae, Hypostominae). However, the lack of cytogenetic data for …

This study presents an extensive review of published and unpublished occurrence records
of fish species in the Rio Negro drainage system within the Brazilian territory. The data was …

Panaqolus tankei is described from the Xingu River, Brazil. The new species is diagnosed
from P. albomaculatus, P. dentex, P. nix, P. nocturnus, and P. koko by its color pattern …

Currently four described species of genus Panaqolus have been reported from the Amazon
River basin in Ecuador: P. albomaculatus (Kanazawa 1958), P. dentex (Günther 1868), P …

Revisão taxonômica de Scobinancistrus Isbrücker & Nijssen, 1989 (Loricariidae:
Hypostominae): uma abordagem integrativa p Page 1 INSTITUTO NACIONAL DE PESQUISAS …