MolluscaBase eds. (2025). MolluscaBase. Armenoceras cygneum C. H. Hollan, 1998 †. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1731692 on 2025-05-07
Marine Species Traits editorial board (2025). Marine Species Traits. Armenoceras cygneum C. H. Hollan, 1998 †. Accessed at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1731692 on 2025-05-07
original descriptionHolland, C. H. (1998). The nautiloid cephalopod order Actinocerida in the British Silurian. <em>Palaeontology.</em> 41: 183-192., available online athttps://www.biodiversitylibrary.org/page/49739260 page(s): 189 [details]