共 34 条
[31]
Vine F.J., 1973, Special Pap Palaeont, VNo. 12, P61
[32]
WESTERMANN GEG, 1980, AMMONOIDEA, P459
[33]
ZIEGLER AM, 1981, PALEOBOTANY PALEOECO, P231
[34]
Ziegler P.A., 1982, GEOLOGICAL ATLAS W C