@article{Ophiuroidea:SourceID:47590, author = {Koehler, R.}, journal = {Bulletin of the United States National Museum}, pages = {1-173}, title = {A contribution to the study of Ophiurans of the United States National Museum}, url = {https://biodiversitylibrary.org/page/7907416}, volume = {84}, year = {1914} }