Several names have been created explicitly for forms considered by the author of the name to be abnormal morphs of known species.  Somewhare in my files I have a paper or two exclusively concerned with naming molluscan "monsters".  I think that the goal of the phrase in the Code is to exclude such names from consideration, rather than to rule out names proposed for what later prove to be aberrant specimens.

    Dr. David Campbell
    Old Seashells
    University of Alabama
    Biodiversity & Systematics
    Dept. Biological Sciences
    Box 870345
    Tuscaloosa, AL  35487-0345 USA
    [log in to unmask]

That is Uncle Joe, taken in the masonic regalia of a Grand Exalted Periwinkle of the Mystic Order of Whelks-P.G. Wodehouse, Romance at Droitgate Spa

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