The species was originally placed in the genusProshapalopus in 2018 by Perafán and Valencia-Cuéllar, but subsequent taxonomic revisions transferred it to the genus Cymbiapophysa.
Cymbiapophysa marimbai has been reported only from Colombia, particularly within the Reserva Natural Biotopo Selva Húmeda, a protected area characterized by humidtropical forest. Its distribution suggests it is endemic to Colombia.