Early Cambrian trilobite from Eastern Pennsylvania

A spectacular early Cambrian (515 million-year-old) trilobite Olenellus getzi from the Kinzers formation of eastern Pennsylvania. The creature lived during the Cambrian radiation, the time when animals first became abundant and started diversifying in the fossil record. One nice feature of ...This is an NSF Multimedia Gallery item.
Source: NSF Multimedia Gallery - Category: Science Source Type: video