World Register of Marine Species (WoRMS)
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2026). World Foraminifera Database. Kleinpella Finger & Lipps, 1990. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1059298 on 2026-08-30
Finger, K. L.; Lipps, J. H.; Weaver, J. C. B.; Miller, P. L. (1990). Biostratigraphy and depositional paleoenvironments of calcareous microfossils in the Lower Monterey Formation (Lower to Middle Miocene), Graves Creek area, central California. Micropaleontology. 36 (1): 1-55.