Ptomaphaginus is a genus of beetles belonging to the family Leiodidae.
[1] Most members live in caves or soil, thus eyes are absent or rudimentary.
[2] In 2008, a new species was discovered in the Sunda region.
[3] In 2017, two species in Japan were recorded,[4] and 12 new species were discovered in China in 2015.
This Leiodidae-related article is a stub.