Another example of this issue is Nuculoidea, both a superfamily and a (mostly?) Paleozoic genus. I think I heard that in this case there was someone who favored a different superfamily ending and named the genus in part to unsuccessfully counteract the oidea ending.
Dr. David Campbell
Old Seashells
University of Alabama
Biodiversity & Systematics
Dept. Biological Sciences
Box 870345
Tuscaloosa, AL 35487-0345 USA
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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