World Register of Marine Species (WoRMS)
MolluscaBase eds. (2026). MolluscaBase. Cyrtolites desideratus Billings, 1866&nbsp;&#8224;. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1808573 on 2026-08-29
Billings, E. (1866). Catalogues of the Silurian fossils of the Island of Anticosti, with descriptions of some new genera and species. Geological Survey of Canada. Publication 427: 1-99, Montreal.