PENNESI, C., M. POULIN, F. HINZ, T. ROMAGNOLI, M. DE STEFANO, and C. TOTTI. “Comparison of Two New Species of <em>astogloia</Em> Bacillariophyceae) With Other Small Members of Section Ellipticae”. Phytotaxa, vol. 126, no. 1, Aug. 2013, pp. 1–21, doi:10.11646/phytotaxa.126.1.1.