TY  - JOUR
A1  - Call, R. E. & Pilsbry, H. A.
JO  - Proceedings of the Davenport Academy of Natural Sciences
N1  - Published 25 May 1886
C1  - 5: 9-14, pl. 2
TI  - On <i>Pyrgulopsis</i>, a new genus of rissoid mollusk, with descriptions of two new forms.
UR  - https://www.biodiversitylibrary.org/page/14051068
PY  - 1886
Y2  - 2026-03-17
ER  -