Sidneyia inexpectans and Pikaia gracilens -- Fantastic 97mm Sidneyia and 22mm Pikaia on 153mm slab. Extremely rare specimens individually -- genuinely one of a kind together. Pikaia shows the notochord, myomeres and "horns" clearly. Easily the very best we have ever had. World class.
SOLD - Please inquire about the availability of additional specimens