TY  - JOUR
A1  - Kobayashi T.
JO  - Journal of the Faculty of Science Imperial University of Tokyo Section II Geology, Mineralogy, Geography, Seismology
IS  - 7
SP  - 249
EP  - 328
C1  - 3(7): 249-328
TI  - Faunal study of the Wanwanian (basal Ordovician) series with special notes on the Ribeiridae and the Ellesmereoceroids
UR  - https://molluscabase.org/aphia.php?p=sourcedetails&id=436868
VL  - 3
PY  - 1933
Y2  - 2026-09-04
ER  -