| Publication Type: | Journal Article |
| Year of Publication: | 1956 |
| Authors: | W. Weyrauch |
| Journal: | Proceedings of the Academy of Natural Sciences of łdots} |
| Date Published: | Jan |
| Abstract: | It is the outstanding merit of Pilsbry (1896, Nautilus, vol. 9, p. 112) to have recognized the cardinal value of apical sculpture in classifying the . The characters of the nepionic whorls are not only of prac- tical value in identifying genera and subgenera, but also permit an |
| URL: | http://www.jstor.org/stable/4064515 |
Taxonomic name: