{"product_id":"quadruped-trackway-laoporus-or-chelichnus","title":"Quadruped trackway (Laoporus or Chelichnus)","description":"\u003cp\u003equadruped trackway (Laoporus or Chelichnus) preserved in Coconino Sandstone from the Early Permian period.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e• Type: Ichnofossil (trace fossil showing ancient footprints rather than body remains)\u003cbr\u003e• Ichnogenus: Laoporus (often associated with Chelichnus)\u003cbr\u003e• Possible Trackmaker: Early pre-mammalian synapsids (often historically referred to as \"mammal-like reptiles\")\u003cbr\u003e• Age: Early Permian, approximately 270 to 280 million years old\u003cbr\u003e• Formation: Coconino Sandstone\u003cbr\u003e• Origin: Northern Arizona, USA (such as the Grand Canyon or Ash Fork areas)\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eOverall size 310mm x 180mm \u003c\/p\u003e","brand":"The Yorkshire Fossil Hunter","offers":[{"title":"Default Title","offer_id":63176946745731,"sku":null,"price":1350.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0569\/4531\/1788\/files\/IMG_5682.jpg?v=1793365123","url":"https:\/\/theyorkshirefossilhunter.com\/products\/quadruped-trackway-laoporus-or-chelichnus","provider":"The Yorkshire Fossil Hunter","version":"1.0","type":"link"}