Contributions to Zoology, 70 (4) (2002)Fred. N. Poeser: Short notes and reviews

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Poecilia petenensis Günther, 1866 (= Mollienesia gracilis Regan, 1913) is redescribed and is revalidated from synonymy of P. sphenops Valenciennes, 1846 and a lectotype is designated. Mollienesia petenensis Günther, 1866 is renamed as P. kykesis to avoid homonymy with Poecilia petenensis.