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Showing results for tags 'chasmataspididae'.
Dear Guys, Yesterday I splited oil shale erratic that is originated from North Estonia and is Kukruse stage (Sandbian, Late Ordovician) in age and I found this intriguing segment... I found very similar shape in Chasmataspis drawings and fossil photo, please note that Chasmataspis second segment is also serrated in the lateral edges and it is also little segmented in the mid part. The age of Chasmataspis is Middle Ordovician, ir is found only in one place of USA and its age is up to 460 million years. So it is one question- Could it be the new member of Chasmataspididae family w