{"product_id":"achillobator-giganticus","title":"Achillobator giganticus","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a5dbd41-4b78-83eb-bdb1-9c8884dec0d4-13\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6a5dbd41-4b78-83eb-bdb1-9c8884dec0d4-13\" data-turn-id-container=\"request-6a5dbd41-4b78-83eb-bdb1-9c8884dec0d4-13\" data-testid=\"conversation-turn-392\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-8 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"93ea590e-0ab6-4544-8de2-c69b81d18a86\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-6-thinking\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"78\" data-end=\"685\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cem\u003e\u003cstrong data-start=\"78\" data-end=\"105\"\u003eAchillobator giganticus\u003c\/strong\u003e \u003c\/em\u003ewas a large dromaeosaurid theropod dinosaur from the Late Cretaceous of Mongolia, known from fossil remains recovered from the Bayan Shireh Formation in the Burkhant region. Formally described in 1999, this taxon represents one of the largest known dromaeosaurids and one of the major maniraptoran predators of Late Cretaceous Asian ecosystems. Its name combines a reference to Achilles, the hero of Greek mythology, with the Mongolian term “baatar”, meaning hero or warrior, while the specific epithet \u003cem data-start=\"609\" data-end=\"621\"\u003egiganticus\u003c\/em\u003e directly refers to its exceptional size within Dromaeosauridae.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"687\" data-end=\"1208\"\u003eGeologically, \u003cem data-start=\"701\" data-end=\"726\"\u003eAchillobator giganticus\u003c\/em\u003e comes from the Bayan Shireh Formation, a Late Cretaceous unit in Mongolia generally placed between the Late Cenomanian and Santonian, approximately 96–89 million years ago, although the precise dating of the formation has been interpreted in different ways. These deposits represent continental environments with river systems, floodplains, channels, lakes and seasonal wetlands, inhabited by herbivorous dinosaurs, theropods, turtles, crocodyliforms, fishes and other vertebrates.\u003c\/p\u003e\n\u003cp data-start=\"1210\" data-end=\"1882\"\u003eThe known fossil material of \u003cem data-start=\"1239\" data-end=\"1264\"\u003eAchillobator giganticus\u003c\/em\u003e is fragmentary but diagnostic and includes both cranial and postcranial elements, such as parts of the maxilla, vertebrae, pelvic girdle and limb bones. These remains identify it as a very robustly built dromaeosaurid, quite different from the familiar image of small, lightweight and highly gracile “raptors”. Its anatomy combines typical dromaeosaurid features — including powerful hind limbs, a long tail, well-developed hands and the characteristic enlarged sickle claw on the second toe — with a heavier and more powerful body plan, comparable in some respects to other giant dromaeosaurids such as \u003cem data-start=\"1869\" data-end=\"1881\"\u003eUtahraptor\u003c\/em\u003e.\u003c\/p\u003e\n\u003cp data-start=\"1884\" data-end=\"2587\"\u003eFrom a morphometric perspective, \u003cem data-start=\"1917\" data-end=\"1942\"\u003eAchillobator giganticus\u003c\/em\u003e probably reached approximately 4.5–5 metres in body length, with an estimated mass of several hundred kilograms, likely around 250–350 kg according to conservative reconstructions. These figures place it among the largest dromaeosaurids known, far exceeding better-known forms such as \u003cem data-start=\"2228\" data-end=\"2242\"\u003eVelociraptor\u003c\/em\u003e in size. Its body would have been bipedal, muscular and relatively deep-bodied, with strong hind limbs, a robust pelvis and a long tail that contributed to balance during locomotion. The enlarged sickle claw of the foot probably functioned as a gripping or offensive tool, particularly useful for restraining prey during close physical contact.\u003c\/p\u003e\n\u003cp data-start=\"2589\" data-end=\"3166\"\u003eAs a member of Dromaeosauridae and Maniraptora, \u003cem data-start=\"2637\" data-end=\"2662\"\u003eAchillobator giganticus\u003c\/em\u003e probably possessed some form of feather covering over at least part of its body, although no direct feather impressions are currently known for this particular species. A rigorous reconstruction should therefore depict it as a large feathered paravian rather than as a fully scaly reptile in the traditional style. Its forelimbs would have been functional and relatively well developed, possibly carrying long feathers, while the head bore jaws equipped with carnivorous teeth adapted for cutting flesh.\u003c\/p\u003e\n\u003cp data-start=\"3168\" data-end=\"3827\"\u003e\u003cem data-start=\"3168\" data-end=\"3182\"\u003eAchillobator\u003c\/em\u003e inhabited continental ecosystems in Mongolia, where it shared its environment with herbivorous dinosaurs, other theropods and a diverse vertebrate fauna. Within these communities, it probably occupied the role of a large terrestrial predator or high-level mesopredator, capable of attacking small- to medium-sized prey, juveniles of larger herbivorous dinosaurs, reptiles and mammals, while possibly also scavenging when the opportunity arose. Its size and robust build suggest a hunting strategy based less on extreme lightness and agility and more on physical strength, gripping ability and the capacity to subdue prey through direct contact.\u003c\/p\u003e\n\u003cp data-start=\"3829\" data-end=\"3876\"\u003e\u003cstrong data-start=\"3829\" data-end=\"3876\"\u003eApproximate Achillobator Replica Dimensions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3878\" data-end=\"3988\"\u003e\u003cstrong data-start=\"3878\" data-end=\"3909\"\u003e1:57 Scale — Complete Model\u003c\/strong\u003e\u003cbr data-start=\"3909\" data-end=\"3912\"\u003eLength: 80 mm\u003cbr data-start=\"3925\" data-end=\"3928\"\u003eHeight: 34 mm\u003cbr data-start=\"3941\" data-end=\"3944\"\u003eWidth: 18 mm\u003cbr data-start=\"3956\" data-end=\"3959\"\u003eSnout-to-tail length: 88 mm\u003c\/p\u003e\n\u003cp data-start=\"3990\" data-end=\"4102\"\u003e\u003cstrong data-start=\"3990\" data-end=\"4021\"\u003e1:35 Scale — Complete Model\u003c\/strong\u003e\u003cbr data-start=\"4021\" data-end=\"4024\"\u003eLength: 130 mm\u003cbr data-start=\"4038\" data-end=\"4041\"\u003eHeight: 55 mm\u003cbr data-start=\"4054\" data-end=\"4057\"\u003eWidth: 29 mm\u003cbr data-start=\"4069\" data-end=\"4072\"\u003eSnout-to-tail length: 142 mm\u003c\/p\u003e\n\u003cp data-start=\"4104\" data-end=\"4214\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"4104\" data-end=\"4135\"\u003e1:20 Scale — Complete Model\u003c\/strong\u003e\u003cbr data-start=\"4135\" data-end=\"4138\"\u003eLength: 228 mm\u003cbr data-start=\"4152\" data-end=\"4155\"\u003eHeight: 97 mm\u003cbr data-start=\"4168\" data-end=\"4171\"\u003eWidth: 51 mm\u003cbr data-start=\"4183\" data-end=\"4186\"\u003eSnout-to-tail length: 250 mm\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1\"\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"VFBPaleoart","offers":[{"title":"1:57 \/ Sin imprimar","offer_id":62023382827276,"sku":"DC-1525-157-SINI","price":34.4,"currency_code":"EUR","in_stock":true},{"title":"1:57 \/ Imprimado","offer_id":62023382860044,"sku":"DC-1525-157-IMPRI","price":37.4,"currency_code":"EUR","in_stock":true},{"title":"1:57 \/ Pintado a mano","offer_id":62023382892812,"sku":"DC-1525-157-PINTA","price":101.0,"currency_code":"EUR","in_stock":true},{"title":"1:35 \/ Sin imprimar","offer_id":62023382728972,"sku":"DC-1525-135-SINI","price":47.5,"currency_code":"EUR","in_stock":true},{"title":"1:35 \/ Imprimado","offer_id":62023382761740,"sku":"DC-1525-135-IMPRI","price":52.5,"currency_code":"EUR","in_stock":true},{"title":"1:35 \/ Pintado a mano","offer_id":62023382794508,"sku":"DC-1525-135-PINTA","price":140.0,"currency_code":"EUR","in_stock":true},{"title":"1:20 \/ Sin imprimar","offer_id":62023383089420,"sku":"DC-1526-120-SINI","price":77.8,"currency_code":"EUR","in_stock":true},{"title":"1:20 \/ Imprimado","offer_id":62023383122188,"sku":"DC-1526-120-IMPRI","price":84.8,"currency_code":"EUR","in_stock":true},{"title":"1:20 \/ Pintado a mano","offer_id":62023383154956,"sku":"DC-1526-120-PINTA","price":216.6,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/1106\/7660\/files\/Achillobator_3.jpg?v=1786185333","url":"https:\/\/dinosauriacreatures.com\/en\/products\/achillobator-giganticus","provider":"Dinosauria Creatures","version":"1.0","type":"link"}