| 单词 | microsiphonulation |
| 释义 | > as lemmasmicrosiphonulation microsiphonulation n. the development of a microsiphuncle. ΚΠ 1887 A. Hyatt in Proc. Boston Soc. Nat. Hist. 23 402 Sannionites was a genus in which the siphon was smaller than in Endoceras, and probably..inherited the tendency to microsiphonulation at the first septum at an earlier age than in Endoceras. < as lemmas |
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