Röding, P. F. (1798). <i>Museum Boltenianum</i> sive Catalogus cimeliorum e tribus regnis naturæ quæ olim collegerat Joa. Fried Bolten, M. D. p. d. per XL. annos proto physicus Hamburgensis. Pars secunda continens Conchylia sive Testacea univalvia, bivalvia & multivalvia. Trapp, Hamburg. viii, 199 pp. , available online athttps://www.biodiversitylibrary.org/page/16230659[details]
MolluscaBase eds. (2021). MolluscaBase. Cassis callosus Röding, 1798. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2021) European Register of Marine Species at: http://www.marbef.org/data./aphia.php?p=taxdetails&id=748010 on 2023-01-27
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2023). European Register of Marine Species. Cassis callosus Röding, 1798. Accessed at: https://www.vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=748010 on 2023-01-27
original descriptionRöding, P. F. (1798). <i>Museum Boltenianum</i> sive Catalogus cimeliorum e tribus regnis naturæ quæ olim collegerat Joa. Fried Bolten, M. D. p. d. per XL. annos proto physicus Hamburgensis. Pars secunda continens Conchylia sive Testacea univalvia, bivalvia & multivalvia. Trapp, Hamburg. viii, 199 pp. , available online athttps://www.biodiversitylibrary.org/page/16230659[details]