Comprehensive Description

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Clade A4: Austrolebias bellottii species group


Distinguished from remaining taxa of the genus Austrolebias ZBK in having anteromedian rays of anal fin long in females, resulting in a nearly triangular fin shape (vs. rays short and fin rounded), four to six contact organs on each flank scale in males (vs. a single contact organ per scale) (reversed in A. melanoorus ), and anterior arm of ceratobranchial 5 longer than posterior arm (vs. shorter) (homoplastically occurring in A. cinereus , but not present in all species of clade A5, considered a reversal).

Included species

Austrolebias melanoorus (Amato), A. univentripinnis ZBK Costa & Cheffe, A. vandenbergi (Huber), A. apaii Costa, Laurino, Recuero & Salvia, new species , A. bellottii (Steindachner), A. arachan ZBK Loureiro, Azpelicueta & García , A. viarius (Vaz-Ferreira, Sierra-de-Soriano & Scaglia-de-Paulete), Austrolebias charrua ZBK Costa & Cheffe, A. minuano ZBK Costa & Cheffe, A. adloffi (Ahl), A. nigrofasciatus ZBK Costa & Cheffe, A. nachtigalli Costa & Cheffe, new species , and A. salviai Costa, Litz & Laurino, new species .


Public Domain

MagnoliaPress via Plazi


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