Stauffer, Clinton R. (1933). Middle Ordovician Polychaeta from Minnesota. <em>Bulletin of the Geological Society of America.</em> 44(6): 1173-1218, plates 59-61., available online athttps://doi.org/10.1130/GSAB-44-1173 page(s): 1201 [details] Available for editors [request]
Read, G.; Fauchald, K. (Ed.) (2024). World Polychaeta Database. Ungulites Stauffer, 1933 †. Accessed at: https://www.marinespecies.org/polychaeta/aphia.php?p=taxdetails&id=324583 on 2024-04-24
original descriptionStauffer, Clinton R. (1933). Middle Ordovician Polychaeta from Minnesota. <em>Bulletin of the Geological Society of America.</em> 44(6): 1173-1218, plates 59-61., available online athttps://doi.org/10.1130/GSAB-44-1173 page(s): 1201 [details] Available for editors [request]