TY  - JOUR
A1  - Pilsbry, H. A.
JO  - The Nautilus
C1  - 62(3): 99–101, pl. 6, figs. 3-4
TI  - New species of <i>Isomeria</i> and <i>Helicina</i>
UR  - https://biodiversitylibrary.org/page/8519644
PY  - 1949
Y2  - 2026-07-10
ER  -