Subjective junior synonym in opinion of Hayward et al. 2012
marine, brackish, fresh, terrestrial
recent + fossil
(of)Costa, O.G. (1855). Foraminiferi fossili delle marne Terziarie di Messina. Memorie della Reale Accademia delle Scienze Matematiche, Scienze Naturali, e Scienze Morali. 2: 127-147, 367-373., available online athttps://www.biodiversitylibrary.org/page/7736602 page(s): p. 134 pl. 1 fig. 1-2 [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2025). World Foraminifera Database. Dentalina mutabilis (Costa, 1855). Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025) European Register of Marine Species at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=466100 on 2025-04-25
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025). European Register of Marine Species. Dentalina mutabilis (Costa, 1855). Accessed at: http://www.marbef.org//www.marbef.org/data/aphia.php?p=taxdetails&id=466100 on 2025-04-25
original description(of)Costa, O.G. (1855). Foraminiferi fossili delle marne Terziarie di Messina. Memorie della Reale Accademia delle Scienze Matematiche, Scienze Naturali, e Scienze Morali. 2: 127-147, 367-373., available online athttps://www.biodiversitylibrary.org/page/7736602 page(s): p. 134 pl. 1 fig. 1-2 [details]