Photo Details
In looking for something to try a new camera and lens on, I found this Milliped under a rock. December 22, 2005 - Draper, Salt Lake County, Utah - ©Nicky Davis

Family tree
Phylum: Arthropoda,  Super-Class:  Myriapoda,  Class:  Diplopoda (Millipedes),  Order:  Polydesmida,  Family: Paradoxosomatidae,    Tribe:  Sulciferini,  Genus:  Oxidus,  Species: Oxidus gracilis

Other
1/2 inch long, antennae, 2 legs protruding from each space on sides of body