Update in taxonomy and
biogeography of Brazillian species of tarantula (Grammostola)
The genus Grammostola
comprises species of tarantulas with homogeneous morphological
characteristics that were used to delimit the species many years ago.
This practice resulted in great confusion about the taxonomic
classification of the group, mainly in the Brazilian species. After 100
years we used an integrative approach to redescribe and update the
taxonomy of G. pulchra, a
species from the Pampa biome in southern Brazil. We describe and
illustrated morphological features for the first time in this species,
including one genital structure that had never detected before in the
genus. According to molecular analysis, G. pulchra is a valid species closely related to G. burzaquensis and G. anthracina. We hope that this work can retake taxonomic approaches with pampean tarantulas in Brazil and contribute to the revision of Grammostola.
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