World Register of Marine Species (WoRMS)
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2026). World Foraminifera Database. Frondicularia porrecta Filimonova, 2010&nbsp;&#8224;. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1329122 on 2026-08-02
Filimonova, T. V. (2010). Smaller foraminifers of the Lower Permian from Western Tethys. Stratigraphy and Geological Correlation. 18(7): 687-811.