Ctenomys flamarioni

Flamarion's tuco-tuco or tuco-tuco of the dunes (Ctenomys flamarioni) is a South American rodent species of the family Ctenomyidae. Its karyotype has 2n = 48 and FN = 50–78. It is found in coastal dunes of Rio Grande do Sul state, southern Brazil. The species is threatened by habitat loss due to dune removal and urbanization. It is named after Brazilian biologist Luiz Flamarion B. de Oliveira.