Kroh, A.; Mooi, R. (2024). World Echinoidea Database. Paleopneustidae A. Agassiz, 1904. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://www.marinespecies.org/traits./aphia.php?p=taxdetails&id=510794 on 2024-05-04
Marine Species Traits editorial board (2024). Marine Species Traits. Paleopneustidae A. Agassiz, 1904. Accessed at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=510794 on 2024-05-04