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There is a slight technical issue here. The scientific name is usually formally written as Chasmtaspidida, but it is sometimes written as the slightly less cumbersome Chasmataspida. I spotted some places on other pages where there should be a link from Chasmataspidida, but it wouldn't link to Chasmataspida at the moment. —Preceding unsigned comment added by 79.193.232.163 (talk) 19:01, 24 October 2009 (UTC)[reply]
