Eisen, Gustav A. (1900). Researches in American Oligochaeta: with especial reference to those of the Pacific coast and adjacent islands. <em>Proceedings of the Californian Academy of Sciences.</em> 2 (2): 85-276, 10 plates ( v-xiv)., available online athttps://www.biodiversitylibrary.org/page/31548399 page(s): 149 [details]
original descriptionEisen, Gustav A. (1900). Researches in American Oligochaeta: with especial reference to those of the Pacific coast and adjacent islands. <em>Proceedings of the Californian Academy of Sciences.</em> 2 (2): 85-276, 10 plates ( v-xiv)., available online athttps://www.biodiversitylibrary.org/page/31548399 page(s): 149 [details]