3030 Noturus exilis Nelson, 1876 Ictaluridae North American freshwater catfishes Siluriformes Teleostei Slender madtom North America: Green, Cumberland and Tennessee River drainages in central Kentucky to northern Alabama, USA; upper Mississippi River basin from southern Wisconsin and southern Minnesota to Ozark and Ouachita Highlands of Arkansas, Kansas and Oklahoma in USA. UBC 110635 37 N 94 W Noturus exilis AMNH 211103 1969 Noturus exilis AMNH 228925 1969 Noturus exilis AMNH 229105 1971 Noturus exilis AMNH 229106 1971 Noturus exilis AMNH 68958 1973 Noturus exilis AMNH 229100 1978 Noturus exilis