Original sentence: "   It was first described by Angelo Heilprin in 1875." Tulane Studies in Geology and Paleontology 5(1):1-35."The genus Vasum (Mollusca: Gastropoda) in the new world
Edited sentence: "  It was first described by Angelo Heilprin in 1875.It is classified in subgenus Hystrivasum.The specific name horridum is Latin for "rough" or "shaggy" and not "horrid"