Fossil Scyphocrinites Crinoids, Sea Lilies, Morocco Upper Silurian (420 million years ago)
Pink Halite Crystals, Mojave Desert, California
Lampyridae is a family of insects in the beetle order Coleoptera. They are winged beetles, and commonly called fireflies or lightning bugs for their conspicuous crepuscular use of bioluminescence to attract mates or prey. Fireflies produce a "cold light." This chemically produced light .