Cossmann M. (1916). <i>Essais de paléoconchologie comparée</i>. Dixième livraison. Paris, published by the author. 292 pp., 12 pls. ["1915"; 1916]. , available online athttps://www.biodiversitylibrary.org/item/111980 page(s): 219, pl. 11 figs 22-23 [details]
MolluscaBase eds. (2025). MolluscaBase. Delphinula (Pseudoninella) raulini Cossmann, 1916 †. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1721538 on 2025-05-21
Marine Species Traits editorial board (2025). Marine Species Traits. Delphinula (Pseudoninella) raulini Cossmann, 1916 †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1721538 on 2025-05-21
original descriptionCossmann M. (1916). <i>Essais de paléoconchologie comparée</i>. Dixième livraison. Paris, published by the author. 292 pp., 12 pls. ["1915"; 1916]. , available online athttps://www.biodiversitylibrary.org/item/111980 page(s): 219, pl. 11 figs 22-23 [details]