Ulrich, E. O.; Foerste, A. F.; Miller, A. K.; Unklesbay, A. G. (1944). Ozarkian and Canadian Cephalopods: Part III: Longicones and Summary. <em>Geological Society of America Special Papers.</em> 59: 1-226., available online athttps://doi.org/10.1130/spe58 page(s): 117 [details] Available for editors [request]
MolluscaBase eds. (2025). MolluscaBase. Cyptendocerina Ulrich, Foerste, A. K. Miller & Unklesbay, 1944 †. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1782821 on 2025-05-13
original descriptionUlrich, E. O.; Foerste, A. F.; Miller, A. K.; Unklesbay, A. G. (1944). Ozarkian and Canadian Cephalopods: Part III: Longicones and Summary. <em>Geological Society of America Special Papers.</em> 59: 1-226., available online athttps://doi.org/10.1130/spe58 page(s): 117 [details] Available for editors [request]