Lötters Stefan, Böning Philipp, Bailon Salvador, Castañeda Jose Daniel Barros, Boistel Renaud, Catenazzi Alessandro, Chaparro Juan C., Chávez Germán, Chujutalli Angel, Coen Laurent, Coloma Luis A., Crawford Andrew J., Culebras Jaime, Martínez Juan Carlos Cusi, Daza Juan Manuel et al., January 2025 — A roadmap for harlequin frog systematics, with a partial revision of Amazonian species related to Atelopus spumarius. Harlequin frogs, genus Atelopus, are a species-rich group of bufonid anurans from the Neotropics with more than 100 species… Zootaxa vol. 5571, n° 1, p. 1-76