Read, G.; Fauchald, K. (Ed.) (2024). World Polychaeta Database.
Pygospiopsis occipitalis Blake, 1996. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=331460 on 2024-09-25
Marine Species Traits editorial board (2024). Marine Species Traits.
Pygospiopsis occipitalis Blake, 1996. Accessed at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=331460 on 2024-09-25