World Register of Marine Species (WoRMS)
MolluscaBase eds. (2026). MolluscaBase. Modiola undulatus (Dunker, 1857). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=545974 on 2026-08-28
Dunker, W. (1857). Mytilacea nova collectione Cumingianae. Proceedings of the Zoological Society of London. 24 (1856): 358-366. [published 8 May 1857].