Synonyms

• Cyclostoma birostre L. Pfeiffer, 1855 (original combination)

Primary references

• Pfeiffer, L.K.G. 1855 ["1854"]. Descriptions of eighteen new species of Cyclostomacea, from Mr. Cuming's collection. Proceedings of the Zoological Society of London. 22(278): 299–303. DOI: 10.1111/j.1469-7998.1854.tb07279.x . BHL Reference page.  [ see page 300 as Cyclostoma birostre ]

Additional references

• Kobelt, W. 1902. Cyclophoridae. Das Tierreich 16: 1–663. DOI: 10.5962/bhl.title.1227 BHL Reference page.  [ see page 214 as C. (O.) birostris ]

• Sutcharit, C., Ablett, J.D. & Panha, S. 2019. An annotated type catalogue of seven genera of operculate land snails (Caenogastropoda, Cyclophoridae) in the Natural History Museum, London. Zookeys, 842: 1–65. DOI: 10.3897/zookeys.842.29243 Reference page. 

For more multimedia, look at Sutcharit, Ablett & Panha, 2019 on Wikimedia Commons.