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地质学
GRABAUINA, A TRANSITIONAL FORM BETWEEN FUSULINELLA AND FUSULINA.
 
<正> Little doubt can exist regarding the close affinity between Fusulina (MOLLER) and Schwagerina (MOLLER), though there is much room for discussion as to their genetic relation. The recognized affinity seems to depend rather on their common departure from other members of the family, for
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中国地质学会志
1924年01期
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