共 12 条
[1]
Cloud P. E. Jr., 1968, P1
[2]
Fisher D.W., 1962, TREATISE INVERTEBR W, P98
[4]
GERMS GJB, 1972, THESIS U CAPE TOWN
[5]
GLAESSNER MF, 1971, GEOL SOC AM BULL, V82, P509, DOI 10.1130/0016-7606(1971)82[509:GDATRO]2.0.CO
[6]
2
[7]
Howell B.F., 1962, TREATISE INVERTEBRAT, P144
[8]
JANKAUSKAS TV, 1969, BIOSTRATIGRAPHY PALE, P114
[9]
SCHWELLNUS CM, 1942, GEOL S AFRICA T, V44, P19
[10]
TERMIER, 1960, REV GEN SCI B ASSOC, V67, P79