Balch, F. N. (1906). Remarks on certain New England chitons with description of a new variety. <em>The Nautilus.</em> 20(6): 62-68., available online athttps://www.biodiversitylibrary.org/page/1757593 page(s): 66-67; note: As Tonicella ruber var. index Balch, 1906 [details]
MolluscaBase eds. (2021). MolluscaBase. Tonicella rubra var. index Balch, 1906. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2021) European Register of Marine Species at: http://www.vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=752138 on 2023-12-03
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2023). European Register of Marine Species. Tonicella rubra var. index Balch, 1906. Accessed at: https://www.vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=752138 on 2023-12-03
original descriptionBalch, F. N. (1906). Remarks on certain New England chitons with description of a new variety. <em>The Nautilus.</em> 20(6): 62-68., available online athttps://www.biodiversitylibrary.org/page/1757593 page(s): 66-67; note: As Tonicella ruber var. index Balch, 1906 [details]