Taxon - Odkazy a literatura
Australian Faunal Directory [4c5a30aa-ce6c-4e86-84d4-98c8c25155cd]
ABRS (2009-2019): Australian Faunal Directory [https://biodiversity.org.au/afd/home], Australian Biological Resources Study, Canberra [jako Bolma Risso, 1826]
Datum citace: 15. únor 2015
The Interim Register of Marine and Nonmarine Genera [1279463]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Bolma Risso, 1826]
Datum citace: 30. listopad 2019
Paleobiology Database [8610]
Paleobiology Database [https://paleobiodb.org/] [jako Bolma Risso, 1826]
Datum citace: 13. prosinec 2015
Paleobiology Database [116990]
Paleobiology Database [https://paleobiodb.org/] [jako Ormastralium Sacco, 1896]
Datum citace: 27. leden 2016
Paleobiology Database [116100]
Paleobiology Database [https://paleobiodb.org/] [jako Pseudastralium Schepman, 1908]
Datum citace: 27. leden 2016