New species of Cyclodontina from Bahia, Brazil (Gastropoda, Pulmonata, Odontostomidae)

Iheringia. Série Zoologia

Rodrigo B. Salvador²  Luiz R. L. Simone¹ 

[1] ,Staatliches Museum für Naturkunde StuttgartStuttgart,Germany

关键词: Bom Jesus da Lapa;    Caatinga;    Cerrado;    Cyclodontina tapuia sp. nov.;    Orthalicoidea;    Bom Jesus da Lapa;    Caatinga;    Cerrado;    Cyclodontina tapuia sp. nov.;    Orthalicoidea;   

DOI  :  10.1590/1678-476620141044484487

来源: SciELO

【 摘 要 】

A new species of pulmonate snail was recently collected in a small forest fragment in the city of Bom Jesus da Lapa, Bahia state, Brazil. Bahia is known for a high diversity of land snails and Bom Jesus da Lapa is an interesting locality, since it is close to the interface between two major Brazilian biomes: Cerrado and Caatinga. The new species is described as Cyclodontina tapuia sp. nov. and can be easily identified by its brown shell, conical spire, convex whorls, a sculpture comprised of strong ribs, and an aperture with four barriers: a median parietal tooth, a median palatal tooth, a median basal tooth and a strong columellar lamella. This discovery is also a reminder of how little the Brazilian continental molluscan fauna is known and of the urgency in studying and preserving the rich (though usually overlooked) fauna of the Caatinga.

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