Crypto, what is the state fossil of Nevada? Every Nevada schoolboy knows this, must be a Nevada thing. I thought it was simple, apparently I was wrong. Icky park was near Austin, I think. The Great Basin was once a huge inland sea full of swimmers and bottom feeders that got stuck when pools finally dried up.
Caution Thread Drift!...What is the state mollocule of Texas? Buckyballs, C60. Spherical carbon structure named after Buckminster Fuller, other fullerites are similar but with more complex atomic structure and element composition.
Ok, back on topic. Why not list extinct species? I think I linked Wiki article about that last Winter when theme came out.
current moon phase
Trust your instinct. Sometimes the rulebook is only there to be thrown out http://virg.in/5ne