Category:Taxonbar cleanup

This is a container category for various tracking categories emitted by Module:Taxonbar for:
 * E: failed  E rror-checks,
 * M: routine  M aintenance, and
 * T:  T racking purposes only (no error).

For help in correcting these problems, please see the individual categories, Template:Taxonbar/doc, and WikiProject Tree of Life.