Messing, C. (2021). World List of Crinoidea.
Heliometra AH Clark, 1907. Accessed through: RAS (Eds.) (2021) Register of Antarctic Species at: http://ras.biodiversity.aq/aphia.php?p=taxdetails&id=123353 on 2022-06-28
RAS (Eds.) (2022). Register of Antarctic Species.
Heliometra AH Clark, 1907. Accessed at: https://ras.biodiversity.aq/aphia.php?p=taxdetails&id=123353 on 2022-06-28