Hopcroft, R. (2021). World List of Appendicularia.
Fritillaria haplostoma Fol, 1872. Accessed through: Land J. van der (ed). (2008) UNESCO-IOC Register of Marine Organisms (URMO) at: http://www.marinespecies.org/urmo/aphia.php?p=taxdetails&id=103382 on 2025-05-11
Land J. van der (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO).
Fritillaria haplostoma Fol, 1872. Accessed at: https://www.marinespecies.org/urmo/aphia.php?p=taxdetails&id=103382 on 2025-05-11