An example of this is Bellerophon from the limestones of the MISC@1 period in LOCATION@1 , the shell of which is planispirally coiled and can be mistaken for the shell of a cephalopod .

An example of this is Bellerophon from the limestones of the MISC@1 period in LOCATION@1 which may be mistaken for a cephalopod .
