共 41 条
[2]
ANDERSON AL, 1927, 18 ID BUR MIN GEOL P
[4]
Berry E. W., 1929, 154H US GEOL SURV PR, V154, P225, DOI DOI 10.3133/PP154
[5]
BERRY EW, 1930, TORREY BOT CLUB B, V57, P239
[6]
Berry EW, 1931, 170C US GEOL SURV PR, P31
[7]
BERRY EW, 1934, 185E US GEOL SURV PR, P97
[8]
BERRY EW, 1938, TORREY BOT CLUB B, V65, P89
[9]
BOND JG, 1963, 128 ID BUR MIN GEOL
[10]
BROWN ROLAND W., 1935, JOUR PALEONTOL, V9, P572