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... the Order Lichida, Family Odontopleuridae known as Dicranurus monstrosus. This particular example is quite large at 55 mm in length from the dramatic cephalon to the wonderful pleural spines, and has a "wingspan" of 2.6 inches at the genal spines. Notice that the librigenae are tightly attached, a sign of a well-articulated specimen. It is found in the Lower Devonian Laatchana Formation deposits ...
Tags:
sea
extinct

http://community.livejournal.com/wtf_nature/422421.html
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Published: 1 month, 4 weeks ago (Fri, 22 May 2009 12:23:33 PDT); 3468 bytes
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