Rhinostomus
genus called "Yuccaborus"; in 2002 , this was determined to be a taxonomic synonym of "Rhinostomus" , and the species , "Y . frontalis" , was moved to the genus "Rhinostomus" . 
<triplet> Y. frontalis <subj> Rhinostomus <obj> parent taxon <subj> Rhinostomus <obj> parent taxon