TY  - JOUR
A1  - Cheng, L.-R.
JO  - Acta Palaeontologica Sinica
IS  - 3
SP  - 396
EP  - 402
C1  - 39(3): 396-402
TI  - Discovery and significance of the members of the Allotrioceratidae from Ordovician Qinhuangdao region, Hebei, North China
UR  - https://molluscabase.org/aphia.php?p=sourcedetails&id=562789
VL  - 39
PY  - 2000
Y2  - 2026-08-10
ER  -