{"product_id":"orygmaspis-calvilimbata-trilobite-british-columbia","title":"Trilobite (Orygmaspis calvilimbata) on matrix - Bull River, Cranbrook, British Columbia, Canada","description":"\u003cp\u003e\u003cspan\u003eThis specimen features an \u003cstrong\u003e\u003cem\u003eOrygmaspis calvilimbata\u003c\/em\u003e\u003c\/strong\u003e \u003cstrong\u003etrilobite\u003c\/strong\u003e measuring approximately 2 × 1.5 cm, preserved on an irregular 11.5 × 6 cm rock plate. Note the \u003cstrong\u003epronounced genal spines\u003c\/strong\u003e emanating from the sides of the head (cephalon). The body segments, called pleura, are quite think on this species.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBrown and tan tones highlight the fossil against the grey matrix, which carries a broad area of darker mottling. Visible fractures cross the head shield and adjacent rock, with small areas of surface loss around the fossil.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe distinct segmentation, sweeping genal spines and contrasting matrix give this Canadian Cambrian trilobite an appealing display presence.\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\u003eAge:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Upper Cambrian\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: 2 × 1.5 cm; plate: 11.5 × 6 cm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":53304077353242,"sku":null,"price":50.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/orygmaspis-calvilimbata-trilobite-detail.jpg?v=1793747314","url":"https:\/\/keithrocks.ca\/products\/orygmaspis-calvilimbata-trilobite-british-columbia","provider":"Rocky Mountain Minerals and Fossils","version":"1.0","type":"link"}