共 89 条
[1]
BARNES CR, 1988, B BR MUS NAT HIS G, V43, P273
[2]
BERGSTROM SM, 1986, SPECIAL PUBLICATION, V20, P61
[3]
BERRY W B N, 1987, Bulletin of the Geological Society of Denmark, V35, P103
[4]
BRENCHLEY PJ, 1982, PALAEONTOLOGY, V25, P783
[5]
Brenchley PJ, 1984, FOSSILS CLIMATE, P291
[6]
BRENCHLEY PJ, 1984, ORDOVICIAN SYSTEM, P65
[7]
Briggs D. E. G., 1988, EXTINCTION SURVIVAL, P171
[8]
Bulman O. M. B., 1958, Palaeontology, V1, P159
[9]
BULMAN OMB, 1970, TREATISE INVERTEBRAT, V5, P163
[10]
CHATTERTON BDE, 1989, IN PRESS PALEOBIOLOG