{"product_id":"rare-hypsiprisca-fossil-fish-green-river-formation-wyoming","title":"Rare Hypsiprisca Fossil Fish | Green River Formation |  Wyoming","description":"\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eHypsiprisca sp.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan data-offset-key=\"4r6j6-0-0\"\u003eEocene (51.98 Million Years Ago)\u003cbr\u003e\u003c\/span\u003e\u003cspan data-offset-key=\"4r6j6-0-0\"\u003ePrivate Quarry, Green River Formation, Wyoming, USA\u003cbr\u003e\u003c\/span\u003e\u003cspan data-offset-key=\"4r6j6-0-0\"\u003ePreparation by Jim Tynsky\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan data-offset-key=\"4r6j6-0-0\"\u003eFish approx. size: 1\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan data-offset-key=\"4r6j6-0-0\"\u003eMatrix approx. size: 2.5\" x 2.25\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e \u003c\/p\u003e\n\u003cdiv data-offset-key=\"f41ec-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\n\u003cdiv data-offset-key=\"emeso-0-0\" data-editor=\"98i1r\" data-block=\"true\" class=\"block paragraph\"\u003e\n\u003cp class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\" data-offset-key=\"emeso-0-0\"\u003eHypsiprisca remains one of the lesser-known fish from the Green River Formation. Its rarity and distinctive anatomy make it especially desirable to collectors and researchers alike.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"block paragraph\" data-block=\"true\" data-editor=\"98i1r\" data-offset-key=\"52m64-0-0\"\u003e\n\u003cdiv data-offset-key=\"52m64-0-0\" class=\"public-DraftStyleDefault-block public-DraftStyleDefault-ltr\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eOrder Perciformes\u003cbr\u003e\u003cbr\u003eFamily Moronidae - C. liops, P. serrata, H. hypsacantha, and undescribed Priscacara \u0026amp; Hypsiprisca species.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eHypsiprisca is a rare genus of small ray-finned fish know from the Green River Formation. It reached a maximum known length of 3.5 inches. Most known specimens have been recovered from nearshore deposits within the Green River Formation, making well-preserved examples relatively scarce.\u003c\/p\u003e\n\u003cp\u003eCompared to other moronids, Hypsiprisca has a more elongated body, a proportionally larger mouth, a less steep head profile, and a tail that is only slightly forked or nearly rounded. It also possesses a unique combination of anotomical features, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eNine dorsal fin spines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eA continuous dorsal fin with no separation between the spiny and soft-rayed portions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLong anterior-pointing spines along the lower margin of the preopercle\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRounded margins on the second dorsal and anal fins\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eA streamlined body adapted for active swimming\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"In Stone Fossils ","offers":[{"title":"Default Title","offer_id":48405427192030,"sku":"HYPRSC","price":295.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0466\/5117\/9163\/files\/rn-image_picker_lib_temp_03fbcbb8-858e-43c8-8dd2-91aed73236cd.jpg?v=1783635260","url":"https:\/\/instonefossils.com\/products\/rare-hypsiprisca-fossil-fish-green-river-formation-wyoming","provider":"In Stone Fossils ","version":"1.0","type":"link"}