{"product_id":"orthoceras-fossil-egg-ancient-ocean-wisdom-in-stone","title":"Orthoceras Fossil Egg — Paleozoic Cephalopod in Dark Limestone, Polished, 182g — Field Find","description":"\u003cp\u003e\u003cstrong\u003eTHE FIND\u003c\/strong\u003e\u003cbr\u003eA polished orthoceras fossil egg, 182g — ancient marine cephalopod fossils preserved in dark limestone, carved and polished into an egg form. Fossil chambers appear as patterns within the stone, small windows into a world that disappeared hundreds of millions of years ago. An ocean had covered the place where the stone eventually formed. The ocean disappeared. The fossil remained. An ancient and extinct thing, given a form traditionally associated with beginnings.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWHAT WE KNOW\u003c\/strong\u003e\u003cbr\u003eOrthoceras is a trade name for fossilized orthocerid nautiloids — extinct straight-shelled cephalopods that lived in marine environments during the Paleozoic Era, primarily the Ordovician through Devonian periods (approximately 470–360 million years ago). They were apex predators of their ancient seas, related to modern nautilus and squid. The segmented internal chambers visible in polished specimens are septa — the dividing walls of the shell that the animal used to regulate buoyancy, the same basic mechanism used by modern nautilus. Commercial orthoceras specimens are predominantly sourced from black limestone deposits in the Erfoud\/Msissi region of Morocco, where the fossils are abundant and well-preserved. The exact locality and geological age of this individual specimen have not been independently verified. This specimen is a carved polished object, not an intact natural fossil specimen or an archaeological artifact. This specimen weighs 182g.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTHE STORY\u003c\/strong\u003e\u003cbr\u003eLong before there were forests, birds, or people, orthocerid nautiloids moved through ancient seas. The polished surface of this egg turns that vanished ocean into something you can hold. Some beginnings are old enough to look like endings. The egg form adds a quiet contrast that the original description captures well: something ancient and extinct, given a form associated with new starts. The septa visible in the stone are the same buoyancy-regulating chambers that allowed these animals to control their depth in the water column — an engineering solution that modern nautiluses still use, largely unchanged, 450 million years later.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWHY WE CHOSE IT\u003c\/strong\u003e\u003cbr\u003eThe fossil detail is clearly visible in the polished surface and the dark limestone ground makes the lighter fossil structures read well. At 182g it has solid presence. A strong piece for a fossil collection or any display that values deep time over conventional mineral aesthetics — this egg is older than the dinosaurs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eABOUT THIS PIECE\u003c\/strong\u003e\u003cbr\u003eType: Orthoceras fossil egg (polished orthocerid nautiloid fossils in dark limestone — “orthoceras” is a trade name; locality and geological age not independently verified)\u003cbr\u003eWeight: 182g\u003cbr\u003eLocality: Not independently verified (commercial orthoceras predominantly from Morocco)\u003cbr\u003eCondition: Polished carved specimen — please review photographs for fossil detail, chamber pattern, polish, and natural variation.\u003cbr\u003eQuantity: 1 — one of a kind.\u003c\/p\u003e","brand":"Found in the Field","offers":[{"title":"Default Title","offer_id":46980422303929,"sku":"S742521","price":48.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9438\/4825\/files\/7AD14983-1E2E-4418-B136-BEF1006CC954.jpg?v=1783182711","url":"https:\/\/foundinthefield.store\/products\/orthoceras-fossil-egg-ancient-ocean-wisdom-in-stone","provider":"Found in the Field","version":"1.0","type":"link"}