Description

Guangweicaris spinatus and Guanshancaris? sp.
Early Cambrian
Guanshan Biota
Guangwei in Kunming, Yunnan Province, China

57mm radiodont appendage and 68mm Guangweicaris on large 117mm slab

Guanshancaris is an extinct genus of amplectobeluid radiodont known from the Cambrian Stage 4 Guanshan Biota of southern China. It is only known from a single species.

See: Guanshancaris – Wikipedia

Read the original paper describing Guanshancaris here: Guanshancaris description