Eldredgeops crassituberculata TRILOBITE Devonian Silica Shale Sylvania, Ohio Size: 2.7 cm. across the cephalon This is a Sylvania and not a Paulding trilobite. The Sylvania trilobites are blacker than the Paulding bugs. Sylvania trilobites are much harder to obtain these days. They only come from old collections. Price: $40 US ID number: f1657