(Table 3) Bolboforma abundance in sediments obtained from an outcrop near Gro...
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Abundances as follows: B = barren, R = rare (1-3 individuals), C = common (4-10 ind.), A = abundant (>10 ind.), ( = reworking, x = present, - = absent.
物种丰度定义如下:B = 无(barren),R = 稀少(个体数1-3),C = 常见(个体数4-10),A = 丰富(个体数>10),( = 再沉积(reworking),x = 存在(present),- = 缺失(absent)



