Citations: ? 1986: [Masumoto, K.] Jap. Ztschr., B15, pp. 1-5, nur Schr.verz.
Akiyama, Y. 2016: The Collection of Coprophagous group (Coleoptera; Scarabaeoidea) donated by Dr. Kimio Masumoto from Thailnd, preserved Hiwa Museum for Natural History. Hiwa Museum for Natural History Material Reports, Hiwa (16), S. 29-34, B15:12393