Vokes, E. H. and A. D'Attilio. 1980.Pygmaepterys, a newly described taxon of Muricidae (Mollusca: Gastropoda), with the description of three new species from the Cenozoic of the Western Atlantic. Tulane Studies in Geology and Paleontology 16 45-54, 2 pls. [Stated date: 17 Sep 1980.] {Included species}
