It was recombined as Cynodesmus iamonensis by Simpson (1932), Olsen (1956) and Wilson (1960); it was recombined as Osbornodon iamonensis by Xiaoming Wang (1994), X. Wang and Richard H. Tedford (1996) and Hayes (2000).
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iamonensis was named by E. H. Sellards in 1916 for Lake Iamonia in northern Florida.