共 19 条
[1]
ARKELL W. J., 1950, JOUR PALEONTOL, V24, P354
[2]
BELL W. C., 1950, JOUR PALEONTOL, V24, P492
[3]
BURMA B. H., 1949, EVOLUTION, V3, P372
[5]
CAMP W. H., 1951, BRITTONIA, V7, P113, DOI 10.2307/2804701
[9]
JELETZKY JURIJ A., 1950, JOUR PALEONTOL, V24, P19