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地质学报 1942
OntheTypeSpeciesofChusenella, PP. 175-176 Abstract: DIAGNOSIS:Testfusiform,slightlyroundedattheends;about11.2mm.long,3.7mm.wide,givinganaxialratioofabout1:3;whorl9to10,thefirstthreeorfourvolutionscloselycoiledthencegraduallyevolute;spiralwallincreasesinthicknessasthetestgrows,being0.016mm.inthefirs
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