Karavaeva, N. I.; Nestell, G. P. (2007). Permian Foraminifers of the Omolon Massif, Northeastern Siberia, Russia. <em>Micropaleontology.</em> 53(3): 161-211., available online athttps://doi.org/10.2113/gsmicropal.53.3.161[details] Available for editors [request]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2025). World Foraminifera Database. Howchinella costulata Karavaeva & Nestell, 2007 †. Accessed at: https://www.marinespecies.org/Foraminifera/aphia.php?p=taxdetails&id=1043715 on 2025-04-25
original descriptionKaravaeva, N. I.; Nestell, G. P. (2007). Permian Foraminifers of the Omolon Massif, Northeastern Siberia, Russia. <em>Micropaleontology.</em> 53(3): 161-211., available online athttps://doi.org/10.2113/gsmicropal.53.3.161[details] Available for editors [request]