DIAGNOSIS: Test fusiform, slightly rounded at the ends; about 11.2 mm. long, 3.7 mm. wide, giving an axial ratio of about 1:3; whorl 9 to 10, the first three or four volutions closely coiled thence gradually evolute; spiral wall increases in thickness as the test grows, being 0.016 mm. in the firs
Abstract:
DIAGNOSIS: Test fusiform, slightly rounded at the ends; about 11.2 mm. long, 3.7 mm. wide, giving an axial ratio of about 1:3; whorl 9 to 10, the first three or four volutions closely coiled thence gradually evolute; spiral wall increases in thickness as the test grows, being 0.016 mm. in the firs
参考文献
相似文献
引证文献
引用本文
Y. C. HSU, GENUS Chusenella LEE.1942. On the Type Species of Chusenella[J].地质学报,(Z2):175-176. Y. C. HSU, GENUS Chusenella LEE.1942.[J]. Acta Geologica Sinica,(Z2):175-176.
