Now showing items 1-10 of 221
Historical biogeography and cryptic diversity in the Callichthyinae (Siluriformes, Callichthyidae)
The family Callichthyidae, divided into the subfamilies Corydoradinae and Callichthyinae, contains more than 200 species of armoured catfishes distributed throughout the Neotropics, as well as fossil species dating from ...
Plant Species Complexes as Models to Understand Speciation and Evolution: A Review of South American Studies
Identifying discontinuous entities within species complexes is a major topic in systematic and evolutionary biology. Comprehensive inventories describing and identifying species rapidly and correctly before they or their ...
Erythrocyte nuclear size as a better diagnostic character than cell size in the identification of live cryptic polyploid species
(Magnolia Press, 2013-08)
It is well documented in anurans the cryptic condition of many species complexes involving polyploids. In these complexes the character that clearly differentiates them is the number of chromosome complements. The blood ...
Identification of cryptic species in the lessonia nigrescens complex (phaeophyceae, laminariales)
The kelp Lessonia nigrescens Bory is the most ecologically and economically important seaweed in rocky intertidal and shallow subtidal habitats along the temperate Pacific South American coasts. Recent molecular studies ...
Filogeografia de Aegla longirostri (crustacea, decapoda, anomura)
(Universidade Federal de Santa MariaBrasilBioquímicaUFSMPrograma de Pós-Graduação em Biodiversidade AnimalCentro de Ciências Naturais e Exatas, 2017-02-22)
Aegla is the most diverse genus of freshwater crabs in southern South America. The Aeglidae family, which belongs to this genus, has a marine origin, with two fossil genera, found in marine sediments in New Zealand and ...