@inbook{Polychaeta:SourceID:49722, author = {Ehlers, E. H.}, doi = {10.5962/bhl.title.2081}, note = {World Polychaeta Database (WPolyD)}, title = {Die Borstenwürmer (Annelida Chaetopoda) nach systematischen und anatomischen Untersuchungen dargestellt}, url = {https://www.biodiversitylibrary.org/page/1985759}, year = {1864} }