TY  - JOUR
A1  - Chapman, E. J.
JO  - Canadian Journal of Industry, Science and Art, new series
SP  - 264
EP  - 268
C1  - 2: 264-268
TI  - On the occurrence of the genus <i>Cryptoceras</i> in Silurian rocks
UR  - https://www.biodiversitylibrary.org/page/39150124
VL  - 2
PY  - 1857
Y2  - 2026-07-12
ER  -