RUSSIAN TRILOBITE ASAPHUS PUNCTATUS

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Hello! Welcome to our family's Ebay store! Our family has a Spectrolite quarry in Ylämaa , Finland . We bought the quarry in 2003 and since then I've been working t with my son and my wife helps in production. The size the quarry is 10x50 meters. We have a workshop w we produce products not only from this raw material but from many other stones, gems, fossils and meteorites; mainly from Russia . During the portion process we excerpt, we saw, we polish and we do cabochons, polished slabs, pendants, jeweler boxes, eggs, sps and many other things. We sell first-hand products for any taste preferences. Our stones are sold to the kind of people who love stones, gems, meteorites, fossils but also for jewelers, collectors, etc. Thank you for your time! Good luck with your bidding! Andrey & Family TRILOBITE Trilobites are extinct arthropods that form the class Trilobita. They appeared in the 2nd Epoch of the Cambrian period and flourished throughout the lower Paleozoic era before beginning a drawn-out decline to extinction when, during the Late Devonian extinction, all trilobite orders, with the sole exception of Proetida, died out. The last of the trilobites disappeared in the mass extinction at the end of the Permian about 250 million years ago (m.y.a.). Trilobites are very well-known, and possibly the second-most famous fossil group after the dinosaurs. When trilobites appear in the fossil record of the Lower Cambrian they are already highly diverse and geographically dispersed. Because of their diversity and an easily fossilized exoskeleton, they left an extensive fossil record with some 17,000 known species spanning Paleozoic time. Trilobites have been important in biostratigraphy, paleontology, and plate tectonics research. For example, trilobites have been important in estimating the rate of speciation during the period known as the Cambrian Explosion because they are the most diverse group of metazoans known from the fossil record of the early Cambrian (Lieberman, 1999), and are readily distinguishable because of complex and well preserved morphologies. The trilobites are often placed either within subphylum Chelicerata or grouped as its sister group to form the group Arachnomorpha, although several alternative taxonomies are found in the literature. Different trilobites made their living in different ways. Some led a benthic life as predators, scavengers or filter feeders. Some swam (a pelagic lifestyle) and fed on plankton. Still others (particularly the family Olenidae) are thought to have evolved a symbiotic relationship with sulfur-eating bacteria from which they derived food. DESCRIPTION OF THIS ITEM Asaphus punctatus, Middle Ordovician, Asery Level, Wolhow river, St. Petersburg region, Russia. weight: 274,0 g. trilobite size: 56 x 34 x 12 mm. matrix size: 109 x 88 x 22 mm. 25,4 mm = 1" PAYMENT We accept only PayPal , but if your purchases for the large sum, we also can accept bank translation. Please contact us if you have any questions about payment. S&H WORLDWIDE VIA PRIORITY OR ECONOMY MAIL We ship from Finland to any corner of the world via priority or economy mail. You can save on postage, because we combine shipping for all items which you have bought, so you can calculate the gross weight of all items which you have bought and pay for shipping according to it. Or you can inform us and we can send you a joint invoice for all items, including shipping. To make it simpler for you to calculate the gross weight of your purchases, we pay ourselves for weight of packages and box for shipping. PRIORITY SHIPPING (4-9 BUSINESS DAYS DELIVERY) WEIGHT PRICE EUROPE OTHER COUNTRIES FLAT BOX* LARGE BOX** FLAT BOX* LARGE BOX** Up to 200 g 4 8 6 12 201-500 g 8 14 14 21 g 13 ... read more

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