Ptychognathus glaber Stimpson, 1858

[Jn: Hiraiso-modoki]

— Stimpson (1858, 1907: Futami Bay, Chichi-jima I.); Sakai (1939: Ogasawara Is.); Ooishi (1970: Minami-zaki, Haha-jima I.); Yoshigou (2002: Kiyose-gawa R. and streams flowing into Futami Bay, Chichi-jima I.); Kobayashi & Satake (2009: Fukiage-ura, Hatsune-ura, and Riverfall of Tokoyo, Chichi-jima I.); OIBO (2014, in table 1: Kiyose-gawa R., Okumura-gawa R., Seihyo Beach, Sakai-ura, Obana-gawa R., Yatsuse-gawa R. and Minami-fukurozawa, Chichi-jima I.); OIBO (2015, in table 1: Kinudate-gawa R., Kita Harbor, stream flowing into Higashi Harbor, Otani-gawa R. and Oki Harbor, Haha-jima I.); MMBS (2016: Ogasawara Is.); OIBO (2017a, in table 1: Muko-jima I.; Nakodo-jima I.; Seihyo Beach and Okumura-gawa R., Chichi-jima I.); Komai et al. (2021: Muko-jima I.; Nakodo-jima I.; Kiyose-gawa R., Okumura-gawa R. and Kopepe Beach, Chichi-jima I.; Otani-gawa R., Oki Harbor, Koromodate-gawa R., Kita Harbor and Higashi Harbor, Haha-jima I.)