Uniramous Arthropods
Robison (1990) described a possible candidate for the oldest known uniramous arthropod, Cambropodus gracilis, from the Middle Cambrian of Utah. Robison described this specimen as having a myriapod-like body (similar to that of modern centipedes and millipedes). This species is represented by a single specimens, shown below.
Gallery of Cambropodus gracilis
Note: Marks on all scale bars are centimeters (cm).
Cambropodus gracilis Robison, 1990
KUMIP 204775 (Holotype; part, counterpart). Wheeler Formation, Drum Mountains, Millard County, Utah. Figures 1a, 1b in Robison (1990).
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