Peces Criollos - Freshwater Fishes of Argentina Peces Criollos - Freshwater Fishes of Argentina
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Jenynsia lineata is a sr. synonym of J. multidentata

Jenynsia lineata (from Jenyns)
Jenynsia lineata
 (drawing from Jenyns, 1842)

new synonymy:
Jenynsia lineata (Jenyns, 1842)
is a senior synonym of
Jenynsia multidentata (Jenyns, 1842)

published in:
Amorim, P.F. (2018):
Jenynsia lineata species complex, revision and new species description (Cyprinodontiformes: Anablepidae).
Journal of Fish Biology 92 (5): 1312-1332

abstract (from publication):
The Jenynsia lineata species complex comprises J. lineata from Montevideo, Uruguay and Jenynsia multidentata, from coastal basins of Brazil, Uruguay and Argentina up to 1200m a.s.l. Taxonomic divisions within this group were tested using three different species delimitation methods, which found the two existing names to be synonyms and revealed a new cryptic species. Jenynsia darwini sp. nov. is distinguished from all congeners by having a unique combination of character states, including the shape of the dorsal postcleithrum (three times higher than wide v. less than two times higher than wide) and female colour pattern in the half of the caudal peduncle with rows of chromatophores segmented in unaligned spots (v. aligned spots forming lines). The new species also differs from J. lineata by having 26 nucleotide substitutions in the mitochondrial gene cytochrome c oxidase I (coI). Phylogenetic analysis of the genus based on morphological characters proposed by previous studies corroborates monophyly of the subgenera Plesiojenynsia and Jenynsia, with the new species being allocated to the subgenus Jenynsia as the sister group of J. lineata.

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Jenynsia sulfurica sp.nov. from Argentina

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CLOFFAR - update 6

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Steindachnerina insculpta - not a species from Argentina

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Hypostomus spiniger revalidated from synonymy with H. commersoni

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Moenkhausia intermedia - not a species from Argentina

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Pyxiloricaria menezesi - not a species from Argentina

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