Barras, C. G. (2006). British Jurassic irregular echinoids. <em>Monographs of the Palaeontographical Society.</em> 159, 1-168.[details]
Kroh, A.; Mooi, R. (2024). World Echinoidea Database. Pronucleolites Barras, 2006 †. Accessed through: World Register of Marine Species at: https://marinespecies.org/aphia.php?p=taxdetails&id=765881 on 2024-09-22
original descriptionBarras, C. G. (2006). British Jurassic irregular echinoids. <em>Monographs of the Palaeontographical Society.</em> 159, 1-168.[details]