(ofPlesiotrochus parcus nipponkaiensis Habe & Masuda, 1990)Habe T. & Masuda O. (1990). Catalogue of the molluscan shells donated by Mr. Hiroshi Noguchi to the Natural History Museum, Tokai University. <i>Science Reports of the Natural History Museum Tokai University</i>, 4: 1–152, 4 pls. page(s): 119-120, pl. 2, figs 5-7. [details]
MolluscaBase eds. (2024). MolluscaBase. Ittibittium nipponkaiense (Habe & Masuda, 1990). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=473136 on 2024-05-02
original description(ofPlesiotrochus parcus nipponkaiensis Habe & Masuda, 1990)Habe T. & Masuda O. (1990). Catalogue of the molluscan shells donated by Mr. Hiroshi Noguchi to the Natural History Museum, Tokai University. <i>Science Reports of the Natural History Museum Tokai University</i>, 4: 1–152, 4 pls. page(s): 119-120, pl. 2, figs 5-7. [details]