Kroh, A.; Mooi, R. (2022). World Echinoidea Database. Echinacea. Accessed through: RAS (Eds.) (2022) Register of Antarctic Species at: https://ras.biodiversity.aq/aphia.php?p=taxdetails&id=149855 on 2023-03-23
RAS (Eds.) (2023). Register of Antarctic Species. Echinacea. Accessed at: https://ras.biodiversity.aq/aphia.php?p=taxdetails&id=149855 on 2023-03-23