{"id":277463,"date":"2026-02-02T21:47:07","date_gmt":"2026-02-02T21:47:07","guid":{"rendered":"https:\/\/www.newsbeep.com\/ie\/277463\/"},"modified":"2026-02-02T21:47:07","modified_gmt":"2026-02-02T21:47:07","slug":"tiny-new-species-of-herbivorous-dinosaur-unearthed-in-spain","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/ie\/277463\/","title":{"rendered":"Tiny New Species of Herbivorous Dinosaur Unearthed in Spain"},"content":{"rendered":"<p>A new genus and species of diminutive bipedal dinosaur has been identified from the fossils found in Burgos province of Spain.<\/p>\n<p><a href=\"https:\/\/cdn.sci.news\/images\/enlarge13\/image_14526e-Foskeia-pelendonum.jpg\" rel=\"nofollow noopener\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-108312\" class=\"wp-image-108312 size-full\" src=\"https:\/\/www.newsbeep.com\/ie\/wp-content\/uploads\/2026\/02\/image_14526-Foskeia-pelendonum.jpg\" alt=\"Life reconstuction of Foskeia pelendonum. Image credit: Martina Charnell.\" width=\"580\" height=\"425\"  \/><\/a><\/p>\n<p id=\"caption-attachment-108312\" class=\"wp-caption-text\">Life reconstuction of Foskeia pelendonum. Image credit: Martina Charnell.<\/p>\n<p>Foskeia pelendonum roamed our planet during the Early Cretaceous epoch, around 120 million years ago.<\/p>\n<p>The new species was a member of <a href=\"https:\/\/en.wikipedia.org\/wiki\/Rhabdodontomorpha\" target=\"_blank\" rel=\"noopener nofollow\">Rhabdodontomorpha<\/a>, a group of ornithischian dinosaurs that lived mainly during the Early to Late Cretaceous.<\/p>\n<p>The ancient animal was diminutive, roughly comparable in size to a modern chicken, marking it distinct from many of its larger ornithischian relatives.<\/p>\n<p>\u201cFrom the beginning, we knew these bones were exceptional because of their minute size,\u201d said Dr. Fidel Torcida Fern\u00e1ndez-Baldor, a paleontologist at the Dinosaur Museum of Salas de los Infantes.<\/p>\n<p>\u201cIt is equally impressive how the study of this animal overturns global ideas on ornithopod dinosaur evolution.\u201d<\/p>\n<p>\u201cMiniaturization did not imply evolutionary simplicity \u2014 this skull is weird and hyper-derived,\u201d added Dr. Marcos Becerra, a paleontologist at the Universidad Nacional de C\u00f3rdoba.<\/p>\n<p>\u201cFoskeia pelendonum helps fill a 70-million-year gap, a small key that unlocks a vast missing chapter,\u201d said Dr. Thierry Tortosa, a paleontologist at the Sainte Victoire Natural Reserve.<\/p>\n<p>\u201cThis is not a \u2018mini Iguanodon,\u2019 it is something fundamentally different,\u201d said Dr. Ta\u0301bata Zanesco Ferreira a paleontologist at the Universidade Federal do Rio de Janeiro.<\/p>\n<p>\u201cIts anatomy is weird in precisely the kind of way that rewrites evolutionary trees,\u201d said Dr. Pen\u00e9lope Cruzado-Caballero, a paleontologist at the Universidad de La Laguna.<\/p>\n<p>The fossilized remains of at least five individuals of Foskeia pelendonum were collected from the Vegagete site in Burgos province, Spain.<\/p>\n<p>\u201cThe site consists of the red-clay \ufb02oodplain deposits of the <a href=\"https:\/\/en.wikipedia.org\/wiki\/Castrillo_de_la_Reina_Formation\" target=\"_blank\" rel=\"noopener nofollow\">Castrillo de la Reina Formation<\/a>, and lies between the Villanueva de Carazo and Salas de los Infantes municipalities,\u201d the paleontologists said.<\/p>\n<p>A histological analysis confirmed that the largest specimen was a sexually mature adult.<\/p>\n<p>\u201cBone microstructure tells us that at least one individual was an adult with a metabolic regime approaching that of small mammals or birds,\u201d said Dr. Koen Stein, a researcher at Vrije Universiteit Brussel.<\/p>\n<p>\u201cKnowledge of growth and development is essential if we want to compare the anatomy of Foskeia pelendonum with other species.\u201d<\/p>\n<p>\u201cYoung individuals are prone to changes in anatomical features as they grow.\u201d<\/p>\n<p>According to the phylogenetic analysis, Foskeia pelendonum is a sister species to the Australian dinosaur Muttaburrasaurus within Rhabdodontomorpha, and expands the European clade Rhabdodontia.<\/p>\n<p>\u201cIn our results, the plant-eating dinosaurs form a natural group called Phytodinosauria,\u201d said Dr. Paul-Emile Dieudonn\u00e9, a researcher at the National University of R\u00edo Negro.<\/p>\n<p>\u201cThis hypothesis should be further tested with more data.\u201d<\/p>\n<p>Despite its small size, Foskeia pelendonum shows specialized dentition and evidence of shifting posture during growth, relying on bursts of speed in dense forests.<\/p>\n<p>\u201cThese fossils prove that evolution experimented just as radically at small body sizes as at large ones,\u201d Dr. Dieudonn\u00e9 said.<\/p>\n<p>\u201cThe future of dinosaur research will depend on paying attention to the humble, the fragmentary, the small.\u201d<\/p>\n<p>The discovery of Foskeia pelendonum is described in a <a href=\"https:\/\/onlinelibrary.wiley.com\/doi\/abs\/10.1002\/spp2.70057\" target=\"_blank\" rel=\"noopener nofollow\">paper<\/a> published in the journal Papers in Palaeontology.<\/p>\n<p>_____<\/p>\n<p>l-Emile Dieudonn\u00e9 et al. 2026. Foskeia pelendonum, a new rhabdodontomorph from the Lower Cretaceous of Salas de los Infantes (Burgos Province, Spain), and a new phylogeny of ornithischian dinosaurs. Papers in Palaeontology 12 (1): e70057; doi: 10.1002\/spp2.70057<\/p>\n","protected":false},"excerpt":{"rendered":"A new genus and species of diminutive bipedal dinosaur has been identified from the fossils found in Burgos&hellip;\n","protected":false},"author":2,"featured_media":277464,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[134688,9154,13650,1813,85,134689,134554,9155,61,60,134690,134691,134692,134693,134694,82,2846],"class_list":{"0":"post-277463","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-science","8":"tag-castrillo-de-la-reina-formation","9":"tag-cretaceous","10":"tag-dinosaur","11":"tag-europe","12":"tag-evolution","13":"tag-foskeia","14":"tag-foskeia-pelendonum","15":"tag-fossil","16":"tag-ie","17":"tag-ireland","18":"tag-muttaburrasaurus","19":"tag-ornithischia","20":"tag-phytodinosauria","21":"tag-rhabdodontia","22":"tag-rhabdodontomorpha","23":"tag-science","24":"tag-spain"},"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts\/277463","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/comments?post=277463"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts\/277463\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/media\/277464"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/media?parent=277463"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/categories?post=277463"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/tags?post=277463"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}