original description
Krause, P.G. (1897). Über tertiäre, cretaceïsche und ältere Ablagerungen aus West-Borneo <em>Sammlungen des Geologischen Reichs-Museums in Leiden, Serie 1</em>. 5(23): 169-220, available online at http://www.repository.naturalis.nl/document/552412
page(s): 213-214, pl. 12, fig. 1-1b [details]
From editor or global species database
Type locality "Sungei Pinoh" [Sungai Pinoh] (Borneo, Indonesia) [details]