Palabras claves: Colostethus machalilla, Engystomops coloradorum, Engystomops pustulosus, Engystomops randi, Gastrotheca riobambae, Gastrulation modes, Neural development, Somitogenesis
Autores: Andrés Romero-Carvajal, Bond J., Diego Almeida-Reinoso, Eugenia M. del Pino, Lee C., Natalia Sáenz-Ponce, Ryan M.J., Venegas-Ferrín M., Wallingford J.