By Körber, Stefan.
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4 páginas , Körber, S.-Friesenstr. II, 45476 Mülheim, Germany; pecescriollos@aol.com

Place hold on Literature published on the naked tetra Gymnocharacinus bergii - Characiformes : Characidae : Gymnocharacinae - from Patagonia, Argentina

By Azpelicueta, María de las Mercedes.
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10 páginas

Place hold on A new species of Otothyrini - Siluriformes : Loricariidae : Hypoptopomatinae - from the Río Uruguay basin, Argentina = Eine neue art des stammes Otothyrini - Siluriformes : Loricariidae : Hypoptopomatinae - aus dem system des Rio Uruguay, Argentinien