{"product_id":"2-5-dolmanites-limulurus-trilobite-fossil-in-matrix-rochester-shale-middleport-new-york-06mqq24","title":"2.5\" Dalmanites Limulurus Trilobite Fossil In Matrix Rochester Shale Middleport New York","description":"\u003cp\u003eLocation: Rochester Shale, Middleport, New York\u003c\/p\u003e\n\u003cp\u003eWeight: 9.9 Ounces \u003c\/p\u003e\n\u003cp\u003eDimensions: 4.7 Inches Long, 4.3 Inches Wide, 0.5 Inches Thick (\u003cspan style=\"color: #b8680e;\"\u003e\u003cstrong\u003ePlate\u003c\/strong\u003e\u003c\/span\u003e)\u003c\/p\u003e\n\u003cp\u003eTrilobite is: 2.5 Inches Long, 1.4 Inches Wide, 0.2 Inches Thick\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(186, 108, 18);\"\u003e\u003cstrong\u003eComes with a Free Stand.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #207e0b;\"\u003e\u003cstrong\u003eThe item pictured is the one you will receive.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(184, 104, 14);\" color=\"#c0c0c0\"\u003e\u003cstrong\u003e\u003cspan color=\"#ff00ff\"\u003eDalmanites Trilobite\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"314\" data-start=\"183\"\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003eDolmanites\u003cspan\u003e \u003c\/span\u003e(often spelled\u003cspan\u003e \u003c\/span\u003eDalmanites) are among the most iconic trilobites found in the fossil-rich strata of Middleport, New York, and the surrounding Niagara County region.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"314\" data-start=\"183\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eIf you're interested in these fossils, here's what you should know about them and the area:\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"314\" data-start=\"183\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eMiddleport is situated along the Niagara Escarpment. The fossils here primarily date from the Silurian Period (roughly 420–430 million years ago), when the region was covered by a shallow, tropical sea.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"314\" data-start=\"183\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eThe Formation: Most trilobites are found in the Rochester Shale formation, renowned among paleontologists for preserving delicate fossils, including trilobites, crinoids, brachiopods, and bryozoans.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"314\" data-start=\"183\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eDalmanites limulurus is the species most commonly associated with the Rochester Shale.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"314\" data-start=\"183\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eAppearance: They feature a shovel-shaped head (cephalon) and a pointed tail (pygidium), often with large, detailed eyes.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"314\" data-start=\"183\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eSize: Usually ranging from 2 to 4 inches; larger specimens are occasionally found.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"314\" data-start=\"183\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eBehavior: Likely bottom-dwellers (benthic), scavenging or hunting small organisms on the muddy seafloor of the ancient Silurian sea.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"314\" data-start=\"183\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eIf you wish to find these yourself, keep the following in mind:\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"314\" data-start=\"183\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003ePrivate Property: Much of the land along the Niagara Escarpment is private. Always seek permission from landowners before searching or digging.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"314\" data-start=\"183\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eThe Rochester Shale: Look for weathered shale outcrops, where rain and frost cause it to split into thin, flat plates. Trilobites are often discovered \"in the split\"—by cracking open a layer of rock to reveal the fossil on the surface.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"314\" data-start=\"183\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eTools: Bring a rock hammer, chisel, and safety glasses. Since the shale is soft, heavy mining equipment isn't necessary; a small masonry hammer usually suffices.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"314\" data-start=\"183\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003ePreservation: The softness of the Rochester Shale makes fossils fragile. If you find a partial specimen, it's best to leave it in the matrix (the surrounding rock) rather than risk shattering it by trying to pry it out.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"314\" data-start=\"183\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eFor collectors or enthusiasts, two excellent resources in the region are:\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"314\" data-start=\"183\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eThe Buffalo Museum of Science: They house an extensive collection of local Silurian fossils and showcase high-quality, professionally prepared Dalmanites specimens.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"314\" data-start=\"183\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eThe Buffalo Geological Society: An active group of amateur and professional fossil hunters that frequently organizes field trips to local sites, including quarries and shale exposures. They are a great resource for learning legal and safe collecting practices in Western New York.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1250\/0441\/files\/Trilobite_New_194b14f5-a4ac-4dba-8097-3ea6c896ed86.jpg?v=1752004566\" alt=\"1.2' Elrathia Kingi Trilobite Fossil Utah Cambrian Age 521 Million Years Old COA - Fossil Age Minerals\"\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong style=\"color: #bf9000;\"\u003ePlease be aware of the nature of fossils:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBeing buried underground for millions of years under immense pressure can be tough. Usually, fossils do not emerge in perfect condition; many require restoration, and some are even altered by people to improve their appearance. In the United States, workers perform this work very professionally, carefully unearthing and preserving these natural treasures.\u003c\/p\u003e\n\u003chr id=\"horizontalrule\"\u003e","brand":"Aman 2026","offers":[{"title":"Default Title","offer_id":52031769149720,"sku":"06MQQ24","price":245.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1250\/0441\/files\/5U8A8555_09a22fd3-b485-4c10-845a-866a15041e6b.jpg?v=1778103065","url":"https:\/\/www.fossilageminerals.com\/products\/2-5-dolmanites-limulurus-trilobite-fossil-in-matrix-rochester-shale-middleport-new-york-06mqq24","provider":"Fossil Age Minerals","version":"1.0","type":"link"}