tnh pointed me (and the rest of the net) to a page on the nine orders of trilobites: http://www.fossilmuseum.net/Tree_of_Life/PhylumArthropoda/ClassTrilobita.htm

It's a great page, and leads to some good clicktrance.  But it made me think of "We Three Kings of Orient Are".  And once I'd thought of it, of course, I had to write it.  (Sleep being, of ( Read more... )