共 29 条
[1]
COX CB, 1967, FOSSIL RECORD
[2]
CRAIN IK, 1971, GEOL SOC AM BULL, V82, P2603, DOI 10.1130/0016-7606(1971)82[2603:PDCRBG]2.0.CO
[3]
2
[4]
CROMPTON A W, 1971, Bulletin of Canadian Petroleum Geology, V19, P323
[5]
CUTBILL JL, 1967, FOSSIL RECORD
[6]
FISCHER AG, 1964, PROBLEMS PALAEOCLIMA
[7]
Harland W. B., 1967, FOSSIL RECORD
[8]
HAYS JD, 1971, GEOL SOC AM BULL, V82, P2433, DOI 10.1130/0016-7606(1971)82[2433:FEAROT]2.0.CO
[9]
2
[10]
MCALESTER A L, 1970, Journal of Paleontology, V44, P405