Uniramous Arthropods

"a close up of a tan rock with a yellow mark that looks like a centipede"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

 

a close up of a gray rock with a yellow mark in the middle and a large amount squiggly line coming out from the mark of squi
a close up of a tan rock with a thick yellow mark in the middle and squiggly lines coming out form it
KUMIP 204775 (Holotype; part, counterpart). Wheeler Formation, Drum Mountains, Millard County, Utah. Figures 1a, 1b in Robison (1990).