<p><em><em></em></em><strong>Objective.</strong> To report for the first time the occurrence in Colombia of the genus <em>Capartogramma</em> and the species <em>Capartogramma crucicula</em> (Grunow <em>ex</em> Cleve) Ross. <strong>Materials and methods</strong><strong>.</strong> This diatom is described based on epiphyton samples collected during the years 2006-2009 in the Ayapel swamp in Cordoba. <strong>Results.</strong> We describe the morphology of the studied materials and present some aspects related to their geographical distribution and the physicochemical conditions of the aquatic environment where they were collected. <strong>Conclusion.</strong> The confirmation of the presence of this species in Colombia broadens its geographic distribution in South America.</p> <p><strong>Key words</strong><em>:</em> <em><em>Carpatogramma crucicula</em></em>, diatom, tropical, periphyton, Colombia.</p><br />