{"product_id":"untitled-feb13_16-17","title":"Ammonite, Madagascar","description":"\u003cp\u003e165 million year old fossilized and iridescent ammonite in superb condition. \u003c\/p\u003e\n\u003cdiv class=\"Y3BBE\" data-sfc-cp=\"\" jsaction=\"rcuQ6b:\u0026amp;j5YaBb_x|npT2md\" jscontroller=\"zcfIf\" jsuid=\"j5YaBb_x\" data-hveid=\"CAEIABAN\"\u003eAmmonites are \u003cmark class=\"HxTRcb\" jscontroller=\"DfH0l\" jsuid=\"j5YaBb_y\"\u003eextinct, squid-like marine cephalopods with coiled, chambered shells that thrived from 240 to 65 million years ago\u003c\/mark\u003e. Known as excellent index fossils for dating rock layers, they are found globally, often exhibiting intricate, ribbed spiral patterns\n\u003cdiv id=\"sdh_0JCPadOIKc23mtkP1ZigoQ8_1\"\u003e. These predators related to modern coleoids lived in oceans worldwide and left behind diverse, frequently pearly fossils.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"sdh_0JCPadOIKc23mtkP1ZigoQ8_9\"\u003e\u003c\/div\u003e\n\u003cdiv id=\"sdh_0JCPadOIKc23mtkP1ZigoQ8_10\"\u003e\n\u003cdiv class=\"Y3BBE\" data-sfc-cp=\"\" jsaction=\"rcuQ6b:\u0026amp;j5YaBb_18|npT2md\" jscontroller=\"zcfIf\" jsuid=\"j5YaBb_18\" data-hveid=\"CAEIAhAA\"\u003e\u003cstrong class=\"Yjhzub\" jscontroller=\"zYmgkd\" jsuid=\"j5YaBb_19\"\u003eKey Facts About Ammonite Fossils\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"Y3BBE\" data-sfc-cp=\"\" jsaction=\"rcuQ6b:\u0026amp;j5YaBb_18|npT2md\" jscontroller=\"zcfIf\" jsuid=\"j5YaBb_18\" data-hveid=\"CAEIAhAA\"\u003e\n\u003cstrong class=\"Yjhzub\" jscontroller=\"zYmgkd\" jsuid=\"j5YaBb_1g\"\u003e\u003cbr\u003eAppearance \u0026amp; Structure:\u003c\/strong\u003e Ammonites are characterized by a planispiral (coiled in one plane) shell, similar to the modern nautilus. Their shells were divided into chambers used for buoyancy.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"sdh_0JCPadOIKc23mtkP1ZigoQ8_11\"\u003e\n\u003cul class=\"KsbFXc U6u95\" jscontroller=\"mPWODf\" jsuid=\"j5YaBb_1d\"\u003e\n\u003cli jscontroller=\"vsuOFb\" jsuid=\"j5YaBb_1h\" data-hveid=\"CAEIAxAB\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" jscontroller=\"fly6D\" jsuid=\"j5YaBb_1i\"\u003e\u003cstrong class=\"Yjhzub\" jscontroller=\"zYmgkd\" jsuid=\"j5YaBb_1j\"\u003eIdentification Features:\u003c\/strong\u003ePaleontologists identify species using the shell's shape, ornamentation (ribs, spines, tubercles), and complex internal suture lines.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli jscontroller=\"vsuOFb\" jsuid=\"j5YaBb_1k\" data-hveid=\"CAEIAxAC\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" jscontroller=\"fly6D\" jsuid=\"j5YaBb_1l\"\u003e\u003cstrong class=\"Yjhzub\" jscontroller=\"zYmgkd\" jsuid=\"j5YaBb_1m\"\u003eSize Variation:\u003c\/strong\u003e While many are small, some reached massive sizes, such as the 1.4-meter (5-foot) \u003cem class=\"eujQNb\" jscontroller=\"yHWXO\" jsuid=\"j5YaBb_1n\"\u003eTitanites\u003c\/em\u003e.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli jscontroller=\"vsuOFb\" jsuid=\"j5YaBb_1o\" data-hveid=\"CAEIAxAD\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" jscontroller=\"fly6D\" jsuid=\"j5YaBb_1p\"\u003e\u003cstrong class=\"Yjhzub\" jscontroller=\"zYmgkd\" jsuid=\"j5YaBb_1q\"\u003e\"Snakestones\":\u003c\/strong\u003e Historically, coiled ammonite fossils found in Europe were called \"snakestones\" and were believed to be petrified snakes.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli jscontroller=\"vsuOFb\" jsuid=\"j5YaBb_1r\" data-hveid=\"CAEIAxAE\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" jscontroller=\"fly6D\" jsuid=\"j5YaBb_1s\"\u003e\u003cstrong class=\"Yjhzub\" jscontroller=\"zYmgkd\" jsuid=\"j5YaBb_1t\"\u003e\"Buffalo Stones\":\u003c\/strong\u003e The Blackfoot people of North America referred to these fossils as \u003cem class=\"eujQNb\" jscontroller=\"yHWXO\" jsuid=\"j5YaBb_1u\"\u003einsikim\u003c\/em\u003e or \"buffalo stones,\" using them in ceremonies to call bison.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli jscontroller=\"vsuOFb\" jsuid=\"j5YaBb_1v\" data-hveid=\"CAEIAxAF\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" jscontroller=\"fly6D\" jsuid=\"j5YaBb_1w\"\u003e\u003cstrong class=\"Yjhzub\" jscontroller=\"zYmgkd\" jsuid=\"j5YaBb_1x\"\u003eTypes of Preservation:\u003c\/strong\u003e Some fossils show incredible detail, including the original pearly nacre (mother-of-pearl) or, in rare cases, internal structures.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli jscontroller=\"vsuOFb\" jsuid=\"j5YaBb_1y\" data-hveid=\"CAEIAxAG\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" jscontroller=\"fly6D\" jsuid=\"j5YaBb_1z\"\u003e\u003cstrong class=\"Yjhzub\" jscontroller=\"zYmgkd\" jsuid=\"j5YaBb_20\"\u003eHabitat:\u003c\/strong\u003e They were carnivorous, active swimmers inhabiting marine environments, ranging from the seafloor to open water.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"sdh_0JCPadOIKc23mtkP1ZigoQ8_19\"\u003e\n\u003cdiv class=\"Y3BBE\" data-sfc-cp=\"\" jsaction=\"rcuQ6b:\u0026amp;j5YaBb_2b|npT2md\" jscontroller=\"zcfIf\" jsuid=\"j5YaBb_2b\" data-hveid=\"CAEIBBAA\"\u003eAmmonites are popular with collectors and are often polished to reveal complex, sometimes iridescent, internal structures.\u003cspan jsuid=\"j5YaBb_2c\" class=\"uJ19be notranslate\" jsaction=\"rcuQ6b:\u0026amp;j5YaBb_2c|npT2md\" jscontroller=\"udAs2b\" data-wiz-uids=\"j5YaBb_2d,j5YaBb_2e\"\u003e\u003cspan class=\"vKEkVd\" data-animation-atomic=\"\" data-wiz-attrbind=\"class=j5YaBb_2c\/TKHnVd\"\u003e\u003cspan aria-hidden=\"true\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Jewelstopia ","offers":[{"title":"Default Title","offer_id":46206240915627,"sku":"AMM1","price":68.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/7175\/1083\/files\/1F6890FD-7F8C-4506-8FF6-60F6FB59A82B.jpg?v=1771019962","url":"https:\/\/jewelstopia.com\/products\/untitled-feb13_16-17","provider":"Jewelstopia ","version":"1.0","type":"link"}