Evans, D. H. (2005). The Lower and Middle Ordovician cephalopod faunas of England and Wales. <em>Monographs of the Palaeontographical Society.</em> 158(623): 1-77., available online athttps://doi.org/10.1080/25761900.2022.12131803 page(s): 38 [details] Available for editors [request]
MolluscaBase eds. (2025). MolluscaBase. Polymeridae D. H. Evans, 2005 †. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1727210 on 2025-05-11
original descriptionEvans, D. H. (2005). The Lower and Middle Ordovician cephalopod faunas of England and Wales. <em>Monographs of the Palaeontographical Society.</em> 158(623): 1-77., available online athttps://doi.org/10.1080/25761900.2022.12131803 page(s): 38 [details] Available for editors [request]