World Register of Marine Species (WoRMS)
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2026). World Foraminifera Database. Clavatorella Blow, 1965&nbsp;&#8224;. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=721438 on 2026-08-29
Blow, W. H. (1965). Clavatorella, a New Genus of the Globorotaliidae. Micropaleontology. 11(3): 365-368.
Blow, W. H. (1969). Late middle Eocene to Recent planktonic foraminiferal biostratigraphy. 1st Intern.Conf.Plankt.Microfossils Proc., Geneva, 1967. 199-421.
El-Naggar, Z. R. (1971). On the classification, evolution and stratigraphical distribution of the Globigerinacea, in A. Farinacci, ed., Proceedings Il Planktonic Conference, vol. 1. Rome: Edizioni Tecnoscienza. 421-476.
Srinivasan, M. S.; Kennett, J. P. (1975). The status of Bolliella, Beella, Protentella and related planktonic foraminifera based on surface ultrastructure. The Journal of Foraminiferal Research. 5(3): 155-165.