On the basis of DNA-DNA hybridization data and a dendrogram based on quantitative fatty acid data, we suggested previously (A. Yokota, T. Tamura, T. Hasegawa, and L. H. Huang, Int. J. Syst. Bacteriol. 43:805–812, 1993) that 13 strains belonging to the genus Catenuloplanes could be divided into six groups, including one group represented by Catenuloplanes japonicus N381–16T (T = type strain). The results of a subsequent study of phenotypic characteristics supported this division. In this paper we propose the following five new Catenuloplanes species for the remaining 12 strains: Catenuloplanes niger for strain N406–14T (= IFO 14177T); Catenuloplanes indicus for strains RA327, RA328T (= IFO 15575T), and RA329; Catenuloplanes atrovinosus for strains RA330, RA331, and RA332T (= IFO 15579T); Catenuloplanes castaneus for strains RA336, RA337, RA338, and RA344T (= IFO 15584T); and Catenuloplanes nepalensis for strain RA343T (= IFO 15583T).