The genus Aquilapollenitesand its type species, A. quadrilobus,are redescribed, and the latter is illustrated. This report summarizes our present information on stratigraphic ranges of selected Rocky Mountain species and varieties of Aquilapollenites.Of the 17 taxa included in this report, 10 are previously named species, 4 are new species, and 3 are new varieties. One species is transferred from the genus Mancicorpusand another from the genus Parviprojectus.The stratigraphic data concerning Aquilapollenitesincorporate available information from U.S. Geological Survey pollen collections.