On the fishes obtained by the Naturalist Expedition in Rio Grande do Sul Author Cope, Edward Drinker text Proceedings of the American Philosophical Society 1894 33 84 108 journal article 55B04D43FA0A44D4A8965484C291178C 55B04D43FA0A44D4A8965484C291178C Hisonotus laevior , new species This treatment is a stub. You can help Plazi making the full treatment available.