The genus Pterodrilus (Annelida: Branchiobdellida)
Article
1968
Proceedings of the United States National Museum
125
Issue: 3668
1--44
BioStor
English
Washington Smithsonian Institution Press, [etc.]
BioStor: https://biostor.org/reference/85449 DOI: https://doi.org/10.5479/si.00963801.125-3668.1