Podocinum catenum Ishikawa, 1970: 116.
Podocinum catenum.— Bregetova, 1977: 255; Ho et al., 2009: 92; Yan et al., 2011: 54; 2012: 46; Trach et al., 2019: 96.
Type depository. National Museum of Nature and Science, Tokyo, Japan. Type locality and habitat. Japan, Namekawa Valley, Ehime Prefecture, 21 July 1968, unspecified substrate.