Description
Early Cambrian
Poleta Formation
White Mountains, Inyo County, California, USA
Huge 21cm x 17cm (8.5 x 6.75 inch) slab with at least 6 deep red helicoplacoids ranging from fully articulated to disarticulated. Average size is around 28mm. Easily the best helicoplacoid slab we have ever had. Incredibly rare.
Helicoplacoid,
