@article{WoRMS:SourceID:278664, author = {Gray, J.E.}, journal = {Annals and Magazine of Natural History}, note = {This citation is usually combined with the other Gray (1840). Separated here for precision. }, pages = {175-184}, title = {XXII. A synopsis of the genera and species of the class Hypostoma (Asterias, Linnaeus)}, url = {https://www.biodiversitylibrary.org/page/2335959}, volume = {6}, year = {1840} }