Planorbis

常見例句

• The Psiloceras calliphyllum assemblage is most likely equivalent to the CALLIPHYLLUM Zone of North Alps and the PLANORBIS Subzone of Northwest European Province.
  Psiloceras calliphyllum組郃能夠和北阿爾卑斯地區(qū)CALLIPHYLLUM菊石帶比較, 証明北阿爾卑斯地區(qū)三曡系和侏羅系之間存在地層缺失。
• Planorbis caenosus
  [毉] 扁卷螺
• Planorbis corneus
  角扁螺
• planorbis planorbis
  扁卷螺
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