@article{WoRMS:SourceID:35648, abstract = {Obelia bicuspidata, Obelia bidentata, Orthopyxis everta, Opercularella pumila, Halecium articulosum, Campanularia pygmaea}, author = {Clark, S. F. }, journal = {Transactions of the Connecticut Academy of Sciences}, title = {Descriptions of new and rare species of hydroids from the New England coast}, url = {https://www.biodiversitylibrary.org/page/7475983}, year = {1875} }