TY  - JOUR
A1  - Walcott, D.
JO  - American Journal of Science
N1  - Stated date: August 1885
C1  - ser. 3, 30: 17-21
TI  - Note on some Paleozoic pteropods
UR  - https://www.biodiversitylibrary.org/page/40255224
PY  - 1885
Y2  - 2026-08-15
ER  -