TRILOBITE fossil, in matrix, Millions of Years Old, free shipping

Description

This beautiful trilobite in matrix will make an unusual and beautiful addition to ones collection, as a display item in your home, or paperweight on your desk at work!
The trilobite is around 2.25" long by 1.25" wide.
The matrix is 3" by 3".
What you see is what you get.
Trilobites are a fossil group of extinct marine arthropods that form the class Trilobita. Trilobites form one of the earliest known groups of arthropods. The first appearance of trilobites in the fossil record defines the base of the Atdabanian stage of the Early Cambrian period (521 million years ago). They were hard-shelled, segmented creatures that lived in Earth's ancient seas. They are considered to be one of our planet's earliest complex life-forms and are one of the key signature creatures of the Paleozoic Era. Trilobites went extinct before dinosaurs ever existed.
Trilobites were the first creatures with a skeleton (Exoskeleton) so they were easily fossilized. Their shell is divided lengthwise into three lobes (hence, the name TRILOBITE meaning "three-lobed"): a central axial lobe, and two symmetrical pleural lobes that flank the axis.
Morphologically, the trilobite body is divided into three major sections:
1.  a cephalon (or head) with eyes, mouthparts, and sensory organs such as antennae.
2.  a middle region called the thorax with a number of overlapping segments (anywhere from 2 to 61).
3.  a pygidium (or tail section) in which the segments were fused.
FREE SHIPPING
As a courtesy we *ALWAYS* insure orders with a value of .00 or more, at our expense.
Please feel free to ask questions and thanks for looking, check out our eBay store!
http://stores.ebay.com/Heirloom-Essentials
All photos are non-stock and of the actual item.
Disclaimer:
-I describe the item(s) with a degree of accuracy, honesty and integrity but am not an expert at anything.  What is pictured is exactly what you will get unless otherwise described in the listing
-I examine all items and will describe any defects but there may be small defects that I have missed.
-Shipping is fixed and stated upfront so there are no secrets or surprises.
-We do offer 14 day returns; item must be intact with all pieces present.  Buyer pays return shipping & we charge a 20% restocking fee.