Description
Extremely rare association of three small Amecephalus piochensis trilobite specimens and the rare echinoderm species Gogia longidactylus from the Middle Cambrian Chisholm Shale of Nevada. The largest Amecephalus trilobite measures 1cm, with the Gogia measuring 4 cm. Two of the trilobite specimens on this plate are perfect. The Gogia is finely detailed, showing excellent preservation of plates and arms, and is complete to the small bulb-like holdfast. This is an interesting and rare association of trilobites and echinoderm from an uncommon locality.
Age: Lower Cambrian
Species Name: Amecephalus piochensis; Gogia longidactylus
Order / Family: Ptychopariida / Alokistocaridae
Locality: Lincoln County, Nevada
Formation: Chisholm Shale









