The first palynological results from the Lagares Formation in the surroundings of Los Mogotes Colorados are presented. The following species were found: Apiculiretusispora tuberculata Azcuy, A. variornatus Menéndez & Azcuy, Granulatisporites sp.cf. G. varigranifer Menéndez & Azcuy, Calamospora hartungiana Schopf, Wilson & Bentall, Cyclogranisporits sp. cf. C. aureus (Loose) Potonié & Kremp, Verrucosisporites sp., Raistrickia densa Menéndez, Leiotriletes corius Kar & Bose, Convolutispora muriornata Menéndez, C ordoñenzii Archangelsky & Gameno, Plicatipollenites densus Srivastava; including a new espécies: Reticulatisporites azcuii. The probable age of the association is Late Carboniferous
