R. Thomas Becker and Sven Hartenfels of the Westfälische Wilhelms-Universität, Münster, Germany, have kindly informed us that the name Palmatolepis nodosa (Klapper et al., 2004, p. 381) based on a Frasnian conodont species from northern Ontario is preoccupied. An earlier name, Palmatolepis marginifera nodosus, was established by Xiong (1983, p. 313) based on a Famennian conodont subspecies from southwest China. Species and subspecies within the same genus are coordinate for the purposes of homonymy. Nor does it prevent homonymy that Xiong used a masculine ending for his subspecies, as it is automatically corrected to a feminine ending...

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