Norenburg, J.; Gibson, R.; Herrera Bachiller, A.; Strand, M. (2024). World Nemertea Database.
Astemma Örsted, 1843. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://www.marinespecies.org/traits./aphia.php?p=taxdetails&id=147040 on 2024-05-11
Marine Species Traits editorial board (2024). Marine Species Traits.
Astemma Örsted, 1843. Accessed at: https://marinespecies.org/traits./aphia.php?p=taxdetails&id=147040 on 2024-05-11