Pennesi, C., Poulin, M., Hinz, F., Romagnoli, T., de Stefano, M. & Totti, C. (2013) Comparison of two new species of astogloia Bacillariophyceae) with other small members of section Ellipticae. Phytotaxa 126 (1): 1–21. https://doi.org/10.11646/phytotaxa.126.1.1