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 返回 Planorbis