Ptychognathus takahasii Sakai, 1939: 661, fig. 115. -- Lin, 1949: 29. -- Sakai, 1955a: 112. -- Sakai, 1976a: 641, fig. 350.
Ptychognathus takahashii| Muraoka, 1998: 52.
Yotsuha-hiraiso-modoki [Japanese]
hiraiso-modoki, Yotsuha- [Japanese]
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