Planorbis

常见例句

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CALLIPHYLLUM菊石帶比較, 証明北阿爾卑斯地區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