Type locality Mediterranean Sea, Gulf of Naples [details]
Read, G.; Fauchald, K. (Ed.) (2025). World Polychaeta Database. Thelepus nucleolata (Claparède, 1869). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=334927 on 2025-07-08
original description(ofHeterophenacia nucleolata Claparède, 1870)Claparède, Édouard. (1870). Les Annélides Chétopodes du Golfe de Naples. Supplément. <em>Mémoires de la Société de physique et d'histoire naturelle de Genève.</em> 20(2): 365-542 [separate pagination at page top, continuous pagination at bottom]., available online athttps://biodiversitylibrary.org/page/2094031[details]