共 16 条
[1]
Beck C. B, 1976, ORIGIN EARLY EVOLUTI, P139
[2]
CORNET B, 1989, Palaeontographica Abteilung B Palaeophytologie, V213, P37
[3]
CORNET B, 1986, EVOL THEOR, V7, P231
[5]
Cornet B., 1993, MODERN BIOL, V19, P81
[6]
Crane P. R, 1987, TAXON, V36, P778
[10]
Doyle J. A., 1991, POLLEN SPORES PATTER, P169