{"product_id":"fossil-ginkgo-leaf-ginkgo-cranei-north-dakota-4","title":"Fossil Ginkgo leaf | Ginkgo cranei | North Dakota","description":"\u003cdiv style=\"text-align: center;\"\u003e\u003cstrong\u003eGinkgo cranei\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cstrong\u003ePaleocene \u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cstrong\u003eSentinel Butte Formation \u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cstrong\u003eMorton County, North Dakota \u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eMatrix measures approx: 3.5\" x 3.25\"\u003c\/p\u003e\n\u003cp\u003eGinkgo leaf measures approx: 2\" x 1.75\"\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eGinkgo cranei is an extinct species of ginkgo known from fossil leaves, particularly from the Late Cretaceous through Paleogene. Its leaves closely resemble those of the modern ginkgo (Ginkgo biloba).\u003c\/p\u003e\n\u003cp\u003eTypical fossil leaves are:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eShape: Fan-shaped to broadly wedge-shaped, with a rounded or slightly truncate outer margin.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSize: Generally a few centimeters across, although considerable variation occurs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLeaf margin: The outer edge is often irregularly lobed or deeply divided, producing two or more broad lobes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVenation: Characteristically dichotomous—veins repeatedly fork into two branches as they extend toward the margin. The veins are usually fine, closely spaced, and radiate outward from the base.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBase: The leaf commonly narrows toward a slender petiole (leaf stalk).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTexture\/preservation: Fossil specimens are typically preserved as impressions or carbonized compressions, with the fan outline and radiating venation clearly visible when preservation is good.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOverall appearance: A fossil G. adiantoides leaf looks much like a small, ancient version of a modern ginkgo leaf, but fossil specimens can show substantial variation in the degree of lobing and leaf shape.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"In Stone Fossils","offers":[{"title":"Default Title","offer_id":49140618985694,"sku":"GINKGO11","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0466\/5117\/9163\/files\/rn-image_picker_lib_temp_b03e6aa9-4035-4489-8e6e-ddf80e7d4d5e.jpg?v=1792704856","url":"https:\/\/instonefossils.com\/products\/fossil-ginkgo-leaf-ginkgo-cranei-north-dakota-4","provider":"In Stone Fossils ","version":"1.0","type":"link"}