Description: 5.3" Eurypterus Sea Scorpion Fossil Eurypterid Silurian 420 Mil Yrs Old New York Location: Buffalo, New York, Bertie Green Formation Weight: 2 Pounds 9.5 Ounces Dimensions: 5.9 Inches Long, 5.6 Inches Wide, 1.4 Inches Thick (Plate) Sea Scorpion Dimensions: 5.3 Inches Long, 3.5 Inches Wide Come with a Free Stand. Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Upper Silurian 420 Million Years old Eurypterids commonly referred to as “sea scorpions,” are an extinct group of arthropods that thrived during the Paleozoic era, particularly from the Ordovician to the Permian periods (approximately 485 to 250 million years ago). These fascinating creatures are part of the class Merostomata and are closely related to modern horseshoe crabs. Their name derives from the Greek words “eurys,” meaning “wide,” and “pteron,” meaning “wing” or “fin,” which reflects their broad, flattened appendages. Morphology and Anatomy Eurypterids exhibited a diverse range of sizes, with some species measuring just a few centimeters in length while others could grow over two meters long. Their body structure typically consisted of a segmented body divided into three main parts: the prosoma (head), mesosome (thorax), and metasoma (abdomen). The prosoma was equipped with compound eyes and various appendages, including chelicerae (mouthparts) used for grasping prey. The mesosome contained several pairs of walking legs, while the metasoma often ended in a long, pointed tail spine known as a telson. The exoskeleton of eurypterids was composed of chitin and provided protection against predators. Some species also possessed specialized adaptations such as gills for respiration, allowing them to inhabit both marine environments and freshwater ecosystems. Ecology and Behavior Eurypterids were primarily carnivorous predators, feeding on smaller marine organisms such as fish, mollusks, and other invertebrates. Their predatory lifestyle is evidenced by fossilized stomach contents found in some specimens. They likely employed ambush tactics or actively hunted their prey using their swift movements facilitated by their numerous legs. Fossil evidence suggests that eurypterids occupied various ecological niches within their habitats. Some species were adapted for life in shallow coastal waters, while others may have ventured into deeper marine environments or even freshwater systems. Their adaptability contributed to their success during the Paleozoic era. Extinction The decline of eurypterids began towards the end of the Paleozoic era, culminating in their extinction during the Permian-Triassic mass extinction event approximately 252 million years ago. This event is considered one of the most significant biodiversity crises in Earth’s history, leading to the loss of around 90% of marine species at that time. While several factors contributed to this extinction—including climate change, volcanic activity, and changes in sea levels—eurypterids were unable to survive these drastic environmental shifts. Shipping Payments Terms of Sale Contact Us We offer combined discounted shipping on purchases made the same day. If your using PayPal payment we only ship to the shipping address specified on PayPal. Most orders are shipped with the United States Postal Services with tracking. All shipments will be shipped within 24 hours except Sundays Signatures are required on all purchases over $100 USD All payments must be made within 72 hours of placing your order. UNCONDITIONAL RETURN POLICY At Fossil Age Minerals, customer service and satisfaction are our highest priorities. Because your positive buying experience is very important to us, Fossil Age Minerals has an Unconditional return policy if: 1. All returns must be in their original state. 2. All return requests are made within 30 Calendar days of receipt of merchandise. You can contact us between the hour of 9:00AM - 8:00PM Central time Mon - Fri. We are closed on weekends and holidays.
Price: 515.99 USD
Location: Post Falls, Idaho
End Time: 2024-09-06T22:25:36.000Z
Shipping Cost: 9.99 USD
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Return shipping will be paid by: Seller
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
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Country/Region of Manufacture: United States
