“…Lumped Genera Group Lowest Common Taxonomic Designation Acentrella 1108 1269 1,2,4,5,6,8,11,12,13,14,15,16,17,18,19,21,22,23,25,26,27,28,29,31,32,33,34,35,40,41,42,44,45,46,49,51,52,53,58,59,61,66,67,68,69,70,71,72,74,75,76,77,78,80 Ephemeroptera Acerpenna 651 283 1,2,4,…”