共 57 条
[11]
CLOUD PE, 1976, GEOL SOC S AFR, V79
[13]
COWIE JW, 1978, CONTRIBUTIONS GEOLOG, P355
[14]
Deflandre G., 1937, ANN PALEONTOL, V26, P51
[15]
Desikachary T.V., 1959, CYANOPHYTA DESIKACHA
[16]
Downie C., 1963, Palaeontology, V6, P83
[17]
DOWNIE C, 1967, Review of Palaeobotany and Palynology, V1, P269, DOI 10.1016/0034-6667(67)90128-5
[18]
Downie C., 1963, STANFORD U PUBLICATI, V7, P1
[19]
FEDONKIN MA, 1977, TRACE FOSSILS, V2, P183
[20]
Fritsch F.E, 1935, STRUCTURE REPROD ALG