{"id":944955,"date":"2026-05-08T00:56:15","date_gmt":"2026-05-08T00:56:15","guid":{"rendered":"https:\/\/www.europesays.com\/uk\/944955\/"},"modified":"2026-05-08T00:56:15","modified_gmt":"2026-05-08T00:56:15","slug":"scientists-discover-166-million-year-old-dog-sized-dinosaur-that-lived-among-prehistoric-giants","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/uk\/944955\/","title":{"rendered":"Scientists Discover 166-Million-Year-Old Dog-Sized Dinosaur That Lived Among Prehistoric Giants"},"content":{"rendered":"

Paleontologists have unearthed the most complete dinosaur skeleton ever found in Scotland, offering new insights into the Middle Jurassic period. The fossil, which was tucked away on the Isle of Skye, represents a dog-sized herbivorous dinosaur<\/strong> that roamed the Earth 166 million years ago. This find is not only remarkable for its rarity but also for its potential to rewrite key chapters of dinosaur evolution, particularly the rise of plant-eating species. The study, published in Earth and Environmental Science, underscores the value of these Middle Jurassic fossils, as they have long been a scarce resource for scientists trying to piece together the era\u2019s complex biodiversity.<\/p>\n

The Discovery on the Isle of Skye<\/strong><\/p>\n

The fossil was found in a remote section of the Isle of Skye<\/strong>, Scotland, where access is incredibly difficult. Hidden within hard limestone along a jagged coastline, the fossil had remained largely undisturbed for decades. The site, only reachable at low tide, required ropes, wedges, and even a motorboat to extract the rock encasing the remains. Dr. Elsa Panciroli, a paleobiologist at National Museums Scotland, led the excavation, which was conducted under strict permissions due to the area\u2019s designation as a Site of Special Scientific Interest (SSSI). Despite these challenges, the team was able to recover an almost complete partial skeleton that provides vital clues about a dinosaur species previously unknown to science.<\/p>\n

\"LocationLocation and geological context of discovery of NMS G.2023.19.1: (a) stratigraphic column showing the Great Estuarine Group and Kilmaluag Formation, and presence of dinosaur body and trace fossils; (b) locations of Skye and Eigg, where dinosaur fossils have been found, and location of NMS G.2023.19.1; (c) stratigraphic column of the Carn Mor landslip, adapted from Panciroli\u00a0et al. (Reference Panciroli, Benson, Walsh, Butler, Castro, Jones and Evans2020b); (d) position of NMS G.2023.19.1 on the foreshore in 2017, with stratigraphic column matched with (c). Team in (d) left to right: Richard Butler, Roger Benson, Rub\u00e9n Contreras Izquierdo, Stig Walsh. Photograph by E. Panciroli.<\/p>\n

Why This Fossil Matters: Insights from the Middle Jurassic<\/strong><\/p>\n

This newly discovered dinosaur is believed to be an ornithischian<\/strong>, a group of plant-eating dinosaurs that were prevalent during the Jurassic period. While much of the skeleton remains<\/a> fragmented, scientists have identified key features that link it to this herbivorous clade. The fossil\u2019s size, roughly equivalent to a large dog<\/strong>, and its diet suggest it was an early, moderate-sized member of the diverse range of plant-eaters emerging during the Middle Jurassic.<\/p>\n

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\u201cDinosaurs from the Triassic and Early Jurassic were generally small, bipedal carnivores and omnivores, but by the Late Jurassic they had radiated into a highly diverse range of species that included some of the largest terrestrial vertebrates to ever walk the Earth,\u201d observed Dr. Panciroli. <\/p>\n<\/blockquote>\n

This discovery, pulished in Earth and Environmental Science<\/a>, highlights the evolution of herbivorous dinosaurs as they began to diversify into different forms, with this particular species filling an ecological niche during a transitional period in prehistory.<\/p>\n

\"InitialInitial discovery of NMS G.2023.19.1: (a) field notebook of Professor Savage showing specimen and notes made in 1973; (b) in situ fossil, photographed in 2016, with Savage\u2019s sketch overlaid in yellow. Credit: Earth and Environmental Science<\/p>\n

A Rare Glimpse into Middle Jurassic Life<\/strong><\/p>\n

The Middle Jurassic period is a time often overshadowed by the better-known Late Jurassic, which saw the rise of colossal sauropods <\/strong>and armored theropods. Fossils from this earlier period, however, are incredibly rare. Most specimens recovered so far have consisted of incomplete teeth or limb fragments, making it difficult for scientists to map the evolutionary paths of various dinosaur groups. This new find, therefore, is of immense scientific value as it fills a critical gap in our understanding of the era\u2019s ecosystems.<\/p>\n

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\u201cIf the specimen does represent an ornithischian, as tentatively suggested from the partial ilium and histological sectioning, it represents the geologically youngest known occurrence in Scotland, and first from the Kilmaluag Formation,\u201d shared Dr. Panciroli. <\/p>\n<\/blockquote>\n

This means the dinosaur could represent one of the last members of its group to exist in the region, adding another layer of significance to the discovery.<\/p>\n

Growth Patterns and Age: Clues from the Fossil<\/strong><\/p>\n

Analysis of the dinosaur\u2019s bones<\/strong> revealed an interesting aspect of its growth. The bones showed cyclical growth marks, similar to tree rings, allowing scientists to estimate its age at the time of death. At least eight marks were visible, suggesting the dinosaur was around eight years old, or possibly older, when it died. Despite its age, the creature had not yet reached full maturity, indicating that it was a subadult at the time of its death.<\/p>\n

This discovery could provide important insights into the growth rates and lifecycles of early herbivorous dinosaurs. The dinosaur\u2019s ongoing bone growth at the time of death suggests that species like this took longer to reach maturity than some of their later relatives, which could have implications for understanding the evolutionary pressures faced by plant-eating dinosaurs.<\/p>\n

The Challenge of Naming: A New Species or Not?<\/strong><\/p>\n

While this fossil is a treasure trove of information, it poses a challenge when it comes to classification. Due to the fragmentary nature of the skeleton, the researchers have yet to identify unique features that would justify naming it a new genus or species. This process of naming requires distinctive characteristics that set it apart from all other known dinosaurs, which in this case, have not been fully extracted due to the fossil\u2019s poor condition and the hard rock surrounding it.<\/p>\n

Currently, the team identifies the creature as a basal ornithopod<\/strong>, a broad classification that groups it with other early herbivores but does not go so far as to define it as a unique species. As Dr. Panciroli noted, \u201cNaming a new species is no simple task, especially when working with fragmented remains. We\u2019re still in the process of determining whether this find represents a new species or is a previously identified one.\u201d Further analysis and comparison with other fossils will be needed to confirm its classification.<\/p>\n","protected":false},"excerpt":{"rendered":"Paleontologists have unearthed the most complete dinosaur skeleton ever found in Scotland, offering new insights into the Middle…\n","protected":false},"author":2,"featured_media":944956,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[70,16,15],"class_list":{"0":"post-944955","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-science","8":"tag-science","9":"tag-uk","10":"tag-united-kingdom"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@uk\/116536240009528478","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/posts\/944955","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/comments?post=944955"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/posts\/944955\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/media\/944956"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/media?parent=944955"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/categories?post=944955"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/tags?post=944955"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}