2982 Chasmistes brevirostris Cope, 1879 Catostomidae Suckers Catostominae Cypriniformes Teleostei Shortnose sucker North America: endemic to the upper Klamath River Basin, including the Lost River in Oregon and Lower Klamath Lake sub-basins and Clear Lake Reservoir in California, USA. AMNH 46209 Chasmistes brevirostris AMNH 46230 Chasmistes brevirostris AMNH 46231 Chasmistes brevirostris AMNH 47030 1971 Chasmistes brevirostris AMNH 46216 1974 Chasmistes brevirostris AMNH 46217 1974 Chasmistes brevirostris