共 13 条
[2]
BENGTSON S, 1986, PROBLEMATIC FOSSIL T, P97
[3]
Chen J.-y., 1989, Acta Palaeontologica Sinica, V28, P1
[4]
COLLINS D, 1990, EARTH SCI HIST, V9, P163
[6]
GOULD S. J., 1989, WONDERFUL LIFE BURGE, P1
[7]
HAO Y, 1987, GEOSCIENCE, V3, P301
[8]
HOU XG, 1989, ACTA PALAEONT SIN, V28, P208
[9]
Morris S. C., 1977, Palaeontology, V20, P623