Meek, F. B. (1871). Descriptions of new species of invertebrate fossils from the Carboniferous and Devonian rocks of Ohio. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 23(1): 57-88., available online athttps://www.biodiversitylibrary.org/page/5511919 page(s): 78 [details]
MolluscaBase eds. (2025). MolluscaBase. Bellerophon propinquus Meek, 1871 †. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1784689 on 2025-05-23
Marine Species Traits editorial board (2025). Marine Species Traits. Bellerophon propinquus Meek, 1871 †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1784689 on 2025-05-23
original descriptionMeek, F. B. (1871). Descriptions of new species of invertebrate fossils from the Carboniferous and Devonian rocks of Ohio. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 23(1): 57-88., available online athttps://www.biodiversitylibrary.org/page/5511919 page(s): 78 [details]