Read, G.; Fauchald, K. (Ed.) (2024). World Polychaeta Database.
Harmothoe extenuata (Grube, 1840). Accessed through: The UK Marine Environmental Data and Information Network (2024) Marine Species of the British Isles and Adjacent Seas (MSBIAS): a checklist of species derived from the UNICORN and Marine Recorder applications at: https://www.marinespecies.org/msbias/aphia.php?p=taxdetails&id=130762 on 2024-06-07
The UK Marine Environmental Data and Information Network (2024). Marine Species of the British Isles and Adjacent Seas (MSBIAS): a checklist of species derived from the UNICORN and Marine Recorder applications.
Harmothoe extenuata (Grube, 1840). Accessed at: https://www.marinespecies.org/msbias/aphia.php?p=taxdetails&id=130762 on 2024-06-07