Messing, C. (2021). World List of Crinoidea.
Isometra AH Clark, 1908. Accessed through: RAS (Eds.) (2021) Register of Antarctic Species at: http://ras.biodiversity.aq/aphia.php?p=taxdetails&id=173817 on 2023-03-23
RAS (Eds.) (2023). Register of Antarctic Species.
Isometra AH Clark, 1908. Accessed at: https://ras.biodiversity.aq/aphia.php?p=taxdetails&id=173817 on 2023-03-23