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地质学报 1924
GRABAUINA,ATRANSITIONALFORMBETWEENFUSULINELLAANDFUSULINA.Abstract: LittledoubtcanexistregardingthecloseaffinitybetweenFusulina(MOLLER)andSchwagerina(MOLLER),thoughthereismuchroomfordiscussionastotheirgeneticrelation.Therecognizedaffinityseemstodependratherontheircommondeparturefromothermembersofthefamily,for
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