treated at infraspecies rank (forma) by Kroh (2005)
marine, brackish, fresh, terrestrial
fossil only
Not documented
Kroh, A.; Mooi, R. (2024). World Echinoidea Database. Clypeaster campanulatus f. portentosus Michelin, 1861 †. Accessed at: https://www.marinespecies.org/Echinoidea/aphia.php?p=taxdetails&id=819230 on 2024-04-18
status sourceKroh, A. (2005). Catalogus Fossilium Austriae. Band 2. Echinoidea neogenica, pp. lvi+210. Österreichische Akademie der Wissenschaften; Wien. page(s): 60-61; pl. 22: figs 2-3 [details] Available for editors