Boettger, O. (1877). Ueber die Fauna der Corbicula-Schichten im Mainzer Becken. <em>Palaeontographica.</em> 24(5): 185-220., available online athttps://www.biodiversitylibrary.org/page/35370657 page(s): 195, 216, pl. 29, fig. 6 [details]
MolluscaBase eds. (2021). MolluscaBase. Pupa obstructa var. francofurtana O. Boettger, 1877 †. Accessed through: Marine Species Traits editorial board (2021) Marine Species Traits at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1343602 on 2025-03-13
Marine Species Traits editorial board (2025). Marine Species Traits. Pupa obstructa var. francofurtana O. Boettger, 1877 †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1343602 on 2025-03-13
original descriptionBoettger, O. (1877). Ueber die Fauna der Corbicula-Schichten im Mainzer Becken. <em>Palaeontographica.</em> 24(5): 185-220., available online athttps://www.biodiversitylibrary.org/page/35370657 page(s): 195, 216, pl. 29, fig. 6 [details]