Paggi, J.C. (1981). Observaciones sobre el zooplancton de algunos lagos de la Patagonia extrandina. Studies on Neotropical Fauna and Environment 16:23-33.[details] Available for editors
original descriptionPaggi, J.C. (1981). Observaciones sobre el zooplancton de algunos lagos de la Patagonia extrandina. Studies on Neotropical Fauna and Environment 16:23-33.[details] Available for editors
original description(ofKeratella heywoodi Dartnall, 2005)Dartnall, H. J. G. (2005). A new species of Keratella (Rotifera, Monogononta: Brachionidae) from South Georgia and the Falkland Islands. Quekett Journal of Microscopy, 40, 41-46[details]