World Register of Marine Species (WoRMS)
Helix (Helicodonta) arridens R. T. Lowe, 1831
MolluscaBase eds. (2026). MolluscaBase. Helix (Helicodonta) arridens R. T. Lowe, 1831. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1424425 on 2026-08-31
Lowe, R. T. (1831). Primitiae faunae et florae Maderae et Portus Sancti; sive species quaedam novae vel hactenus minus rite cognitae animalium et plantarum in his insulis degentium breviter descriptae. Transactions of the Cambridge Philosophical Society. 4 (1): 1-70, pl. 1-6. Cambridge.