Elrathia kingi, Cambrian Age trilobite (Replica) Styracosaurus Coelophysis was first described by

Coelophysis was first described by Cope in 1889

As titanosaurs go

which varied across all growth stages

some with embryo

Elrathia kingi, Cambrian Age trilobite (Replica) Styracosaurus Coelophysis was first described byThese are authentic fossil trilobites found in the Wheeler Shale Formation, House Range, Millard County, Utah. It is from the Upper Cambrian Age of about 520 million years ago. You are not purchasing the trilobite shown it is only an example. We have dozens of these and will pick the best ones for you. Most of these trilobites are headless but otherwise in very good condition. All trilobites are now extinct having flourished in the seas, from the