Overall length approximately 3 1/4 inches. This trilobite has been prepped using air scribes and micro-abrasive. The trilobite is 100% natural with only repairs and no restoration. See detailed pictures for quality. Trilobite has been mounted to a walnut base and includes an acrylic cover. Base measures 5" x 7". Box is 4 1/4" high. Feel free to email with any questions. Trilobite is from the lower to early middle Devonian of Morocco.