Kroh, A. (2005). Catalogus Fossilium Austriae. Band 2. Echinoidea neogenica, pp. lvi+210. Österreichische Akademie der Wissenschaften; Wien. page(s): 14 [details] Available for editors
Kroh, A.; Mooi, R. (2021). World Echinoidea Database. Retzneiosoma Kroh, 2005 †. Accessed through: Marine Species Traits editorial board (2021) Marine Species Traits at: http://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=512431 on 2025-04-28
Marine Species Traits editorial board (2025). Marine Species Traits. Retzneiosoma Kroh, 2005 †. Accessed at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=512431 on 2025-04-28
original descriptionKroh, A. (2005). Catalogus Fossilium Austriae. Band 2. Echinoidea neogenica, pp. lvi+210. Österreichische Akademie der Wissenschaften; Wien. page(s): 14 [details] Available for editors