Vast cryptic diversity in direct-developing frogs Pristimantis (Anura: Strabomantidae): a new subgenus and the description of a new species from the eastern Andes of Ecuador

直接发育蛙类 Pristimantis（无尾目：斜纹蛙科）的巨大隐性多样性：来自厄瓜多尔东部安第斯山脉的一个新亚属和一个新种的描述