Siamogale thailandica Ginsburg, Invagat, & Tassy, 1983 from the middle Miocene basin of Mae Moh in northern Thailand is one such species, whose fragmentary dental remains have thus far impeded our understanding. World, meet Siamogale melilutra. La nouvelle espèce appartient aux Lutrinae en raison de la présence d'un large canal infraorbital et ventral expansion of the mastoid process, entre autres traits[2]. Size difference: Modern otters are a lot smaller than their prehistoric relatives (Rex) More. Named Siamogale melilutra, the new species weighed around 50 kg (110 lbs) — almost twice as large as the largest living otters. 1, pp. 39-65. By scanning each individual piece, researchers were able to digitally recreate the skull like a jigsaw puzzle. But S. melilutra was an outlier: The massive mammal’s modeled jaws were six times sturdier than expected. L'épithète spécifique, melilutra, est pour sa part un nom composé attribué par Wang et al. Dr Su added: “The bones were so delicate that we could not physically restore the cranium. TARKA the Otter had a formidable relative that was a top predator six million years ago, scientists have discovered. Ces mammifères étaient donc bien plus grands que les loutres géantes actuelles (Pteronura brasiliensis), qui pèsent rarement plus d'une trentaine de kilogrammes[1], et deux à trois fois plus grands que n'importe quelle espèce de loutres modernes[3]. The remains of the skull were found in China and were re-created with a special program called the CT scan which is able to reconstruct the skeleton without being damaged. Siamogale melilutra was about the size of a wolf. selon les recommandations du projet zoologie. The otter named Siamogale melilutra lived some six million years ago and belongs to an ancient lineage of extinct otters, which goes back at least 18 million years. Siamogale is an extinct genus of giant otter from the late Miocene-early Pliocene of eastern Asia. Unlike its modern counterparts which eat fish and shellfish, this prehistoric species had an appetite for just about any sort of prey and possessed powerful jaws capable of delivering a devastating bite. nov. (Lutrinae: Mustelidae: Carnivora), from the latest Miocene Shuitangba site in north-eastern Yunnan, south-western China, and a total-evidence phylogeny of lutrines. At 50 kg in estimated weight, the extinct Siamogale melilutra is larger than all living otters, and ranks among the largest fossil otters. Siamogale - WikiMili, The Free Encyclopedia - WikiMili, The Free Encyclopedia bounosa (Grohé et al. 2017) † S. thailandica (Ginsburg, Ingavat & Tassy, 1983) Siamogale est un genre éteint de loutres géantes du Miocène supérieur d'Asie. "If Siamogale melilutra was not smart enough to figure out tools, perhaps the only option left was to develop more powerful jaws by increasing body size." (2018). References. La dernière modification de cette page a été faite le 17 octobre 2020 à 17:36. Siamogale melilutra The wolf-size otter lived in a shallow swamp surrounded by thick vegetation. Ces mammifères étaient donc bien plus grands que les loutres géantes actuelles (Pteronura brasiliensis), qui pèsent rarement plus d'une trentaine de kilogrammes, et deux à trois fois plus grands que n'importe quelle espèce de loutres modernes. Credit: Mauricio Antón Temporal range: Late Miocene Ranking among the largest fossil otters, Siamogale represents a feeding ecomorphology with no living analog. Deux espèces sont actuellement connues [1], dont Siamogale melilutra. Remarque : l'espèce y est erronément appelée, https://fr.wikipedia.org/w/index.php?title=Siamogale_melilutra&oldid=175660445, Taxobox utilisant une classification non précisée, Taxobox taxon utilisant le paramètre éteint, Portail:Sciences de la Terre et de l'Univers/Articles liés, licence Creative Commons attribution, partage dans les mêmes conditions, comment citer les auteurs et mentionner la licence. Portion of an artist’s rendering of Siamogale melilutra. Siamogale melilutra was the size of a wolf and weighed about 110 pounds (50kg). See the full image below. Some, like the sea otter or giant river otter, can grow to more than 75 pounds. (Credit: Mauricio Anton) These ancient wolf-sized otters had fearsome jaws. Instead, we CT-scanned the specimen and virtually reconstructed it in a computer. The researchers say the ancient predator belonged to a lineage of extinct otters that date back 18 million years. Futurity News. 2020) Siamogale is an extinct genus of giant otter from the late Miocene-early Pliocene of eastern Asia. Diagnosis: Siamogale melilutra is distinct from S. thailandica in its large size, more posteriorly reclined mandibular ascending ramus, a continuous P4 protocone crest extending distally to the metastyle (in contrast to a more cuspidate P4 protocone in S. Wang, Grohé, Su, White, Ji, Kelley, You & Yang, 2017, "Feeding capability in the extinct giant Siamogale melilutra and comparative mandibular biomechanics of living Lutrinae", "A new otter of giant size, Siamogale melilutra sp. X. Wang et al. Les Siamogale melilutra pesaient environ 50 kilogrammes et faisaient la taille d'un loup. Le crâne montre une combinaison de caractères crâniens et dentaires semblables à ceux des loutres et semblables à ceux des blaireaux. S. melilutra was an otter. A new species of fossil otter, Siamogale melilutra sp. Around 6 million years ago, giant otters (Siamogale melilutra) the size of wolves and weighing up 110 pounds (twice the size of modern-day otters) lived in what is now Asia.

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