Cambrian Harpetid

[Fissiletag]

I'm pretty certain that this is a cambrian Harpetid, but am not entirely sure.

It's listed as a Palaeoharpes primigenius from the Sandu Formation.

 

 

[piranha]

Now you can be entirely sure....here is the original description and a subsequent systematic description in English.  Congrats!  

 

 

Yin, G., Li, S. 1978                                                                                                                        Lu, Y., Qian, Y. 1983

Paleontological Atlas of Southwest China.                                                                                 Cambro-Ordovician Trilobites from Eastern Guizhou.

Geological Publishing House, 843 pp.                                                                                        Palaeontologia Cathayana, 1:1-106