Annotated list of amphibian and reptile taxa described by Ilya Sergeevich Darevsky (1924 - 2009) Author Barabanov, Andrei V. Author Doronin, Igor V. text Zootaxa 2020 2020-06-25 4803 1 152 168 journal article 10.11646/zootaxa.4803.1.8 1175-5326 3908094 F722FC45-D748-4128-942C-76BD53AE9BAF 4. Philautus abditus INGER, ORLOV et DAREVSKY (1999: 26) Holotype : FMNH 252833 , “ Buon Luoi , An Khe District , Vietnam ”. Etymology: From Latin “ abditus ”, hidden, concealed, referring to the bold black spots on the thighs that are not visible when the limbs are flexed.