A new species of harlequin toad (Bufonidae: Atelopus) from Amazonian Ecuador. - PLEWNIA, AMADEUS; TERÁN-VALDEZ, ANDREA; CULEBRAS, JAIME; BOISTEL, RENAUD; PALUH, DANIEL J.; QUEZADA RIERA, AMANDA B.; HEINE, CHRISTOPHER H.; REYES-PUIG, JUAN P.; SALAZAR-VALENZUELA, DAVID; MANUEL GUAYASAMIN, JUAN; LÖTTERS, STEFAN (Salamandra, 2024)