Trilobites in The New York Times
When Trilobites Ruled the World, March 3, 2014
http://www.nytimes.com/2014/03/04/science/when-trilobites-ruled-the-world.html?action=click&contentCollection=Science®ion=Footer&module=MoreInSection&pgtype=article
This article contains numerous line drawings by Sam Gon
and a fun video of Nigel Hughes performing the song;
"Lament for the Passing of the Trilobites."
Yours,
Paul H.