共 53 条
[41]
SURLYK F, 1977, J PALEONTOL, V51, P27
[42]
SURLYK F, 1974, Geology (Boulder), V2, P529, DOI 10.1130/0091-7613(1974)2<529:EZOAUC>2.0.CO
[43]
2
[44]
TAYLOR J D, 1980, Palaeontology (Oxford), V23, P375
[45]
THAYER C W, 1977, Paleobiology, V3, P98
[48]
THAYER CW, 1980, 15TH NE SECT ANN M G, P86
[49]
THAYER CW, 1975, PALEOBIOLOGY, V1, P338
[50]
THAYER CW, 1983, GEOBIOLOGY SERIES