{"product_id":"orygmaspis-calvilimbata-trilobite-british-columbia-specimen-2","title":"Trilobite (Orygmaspis calvilimbata) on matrix - Bull River, Cranbrook, British Columbia, Canada","description":"\u003cp\u003e\u003cspan\u003eAnother impressive and \u003cstrong\u003elarge British Columbia trilobite\u003c\/strong\u003e! This \u003cstrong\u003e\u003cem\u003eOrygmaspis calvilimbata\u003c\/em\u003e \u003c\/strong\u003etrilobite measures approximately 4.5 × 4.5 cm and is preserved on an elongated, irregular rock plate measuring 13 × 7.5 cm. I like the broad cephalon (head shield) and impressive spines extending backward beside the body.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGrey and tan tones accentuate the fossil’s relief against the surrounding matrix. Visible fractures cross the head shield and body, with areas of surface loss and uneven preservation, particularly around the head and rear of the fossil. The plate retains rough split surfaces and patches of ochre-brown staining.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe broad proportions and clearly defined body segments give this specimen a strong visual presence within a Canadian Cambrian trilobite collection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe specimen comes from \u003cstrong\u003eUpper Cambrian\u003c\/strong\u003e sediments of the \u003cstrong\u003eMcKay Group\u003c\/strong\u003e in the Bull River Valley, east of Cranbrook and Fort Steele, \u003cstrong\u003eBritish Columbia, Canada\u003c\/strong\u003e. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eBritish Columbia fossils are illegal to sell, except under special circumstances. I represent a team that has claims on several trilobite localities in BC that have been legally grandfathered into older legislation. This allows them to legally excavate, prepare and sell fossils from these particular claims, including this specimen. \u003ca href=\"https:\/\/keithrocks.ca\/pages\/british-columbia-fossils-legal-status-legacy-claims-responsible-collecting\" title=\"British Columbia Fossils: Legal Status, Legacy Claims \u0026amp; Responsible Collecting\"\u003e\u003cstrong\u003e\u003cspan\u003eLearn more about British Columbia fossils and their legal status.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eFor those interested in learning more about the trilobites of the McKay Group I recommend the following scientific paper: \u003cstrong\u003eFurongian (Upper Cambrian) trilobites from the McKay Group, Bull River Valley, near Cranbrook, southeastern British Columbia, Canada (2016) by Brian D. E. Chatterton and Stacey Gibb in \u003cem\u003ePalaeontographica Canadiana\u003c\/em\u003e No 35\u003c\/strong\u003e. It is jointly published by the Canadian Society of Petroleum Geologists (now known as the Canadian Energy Geoscience Association) and the Geological Association of Canada\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFossil:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Trilobite\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSpecies:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003cem\u003eOrygmaspis calvilimbata\u003c\/em\u003e\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eFormation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e McKay Group\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eLocality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Bull River valley, East of Cranbrook, British Columbia, Canada\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Trilobite: 4.5 × 4.5 cm; plate: 13 × 7.5 cm\u003c\/span\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":53305224921370,"sku":null,"price":150.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/orygmaspis-calvilimbata-specimen-2-plate.jpg?v=1793756800","url":"https:\/\/keithrocks.ca\/products\/orygmaspis-calvilimbata-trilobite-british-columbia-specimen-2","provider":"Rocky Mountain Minerals and Fossils","version":"1.0","type":"link"}