Hyolithes cecrops?Middle CambrianSpence shaleBox Elder CountyUtah USAHyolithes cecrops? (Walcott,1917)SKU: TDI001330,00 €PrezzoEsauritotechnical data:size: slab 13 cm x 9 cm Hyolites 3,9 cmrestoration: n.npreparator: n.n Helens and operculum are preserved! WOW