Okamoto, T. and Hikida, T. 2012. A new cryptic species allied to Plestiodon japonicus (Peters, 1864) (Squamata: Scincidae) from eastern Japan, and diagnoses of the new species and two parapatric congeners based on morphology and DNA barcode. Zootaxa. 3436, 1 (Aug. 2012), 1–23. DOI:https://doi.org/10.11646/zootaxa.3436.1.1.