Scientific classification. Archer, et al. Obdurodon is an extinct monotreme genus containing four species. nov. (Monotremata, Ornithorhynchidae), from the Riversleigh World Heritage Area, Australia Overview of attention for article published in Journal of Vertebrate Paleontology, November 2013 This species is the largest known ornithorhynchid, fossil or extant, the fourth extinct platypus described, and the second species discovered at Riversleigh. [12] Later on, a spectacular skull of another ancient platypus was recovered from the limestone deposits of the Riversleigh World Heritage Area of northwestern Queensland. (Redirected from Riversleigh platypus) Jump to navigation Jump to search. The Australian Museum respects and acknowledges the Gadigal people of the Eora Nation as the First Peoples and Traditional Custodians of the land and waterways on which the Museum stands. Older Obdurodon species are known from central Australia. The wear patterns on the tooth are suggestive of crushing, perhaps by consuming hard-shelled animals such as turtles, rather than using a shearing action. [5] The second specimen discovered there, AMNH 97228, is an upper right molar. Spin fact. … British scientists' initial hunch was that the attributes were a hoax. [1], The name derives from Latin obduros and don, "enduring tooth", a reference to the permanency of the molars. The platypus is the sole living representative of its family ( Ornithorhynchidae ) and genus ( Ornithorhynchus ), though a number of related species appear in the fossil record. Like other thylacoleonids, Wakaleo had teeth that were modified for stabbing and cutting. "Comparative cranial morphology in living and extinct platypuses: Feeding behavior, electroreception, and loss of teeth". 26. Ridge-Headed Mekosuchine 0 0; 34. You have reached the end of the main content. The other is the Naracoorte Caves National Park in South Australia. George Shaw, who produced the first description of the animal in the Naturalist's Miscellanyin 1799, stated it was impossible not to entertain doubts as to its genuine nature, and Robert Kn… Phylum: Chordata The Platypus has a ventral nerve cord, pharyngeal slits and a tail. Molars had only been found apart from skulls, implying that they were not well-anchored. Presents information on the platypus of Australia. 2. A new, toothed ornithorhynchid monotreme from Two Trees Site in the Riversleigh World Heritage Area, northwestern Queensland, Australia, is described. Details about Yowies Lost kingdom series with papers sold seperately. Obdurodon is an extinct monotreme genus containing four species.It is sometimes referred as the Riversleigh Platypus, after the location of its discovery at Riversleigh. Obdurodon is a genus of extinct monotreme. Adding to the animal’s distinctive appearance are conspicuous white patches of fur under the eyes. Science Advances. Each tooth looks like a pair of tiny accordians side by side. Wakaleo vanderleuri was a dog-sized thylacoleonid ('marsupial lion') and one of the largest predators in Australia during the Miocene. It bore two premolars and three molars on each side of the lower jaw. Reconstruction / Illustration by Peter Schouten November 4, 2013 Fossil of giant platypus unearthed in Riversleigh The Platypus has Eukaryotic cells with membrane bound organelles. NOW PLAYING: Trending Amazing and Interesting Facts about the Platypus, An Strange One in the Animal Kingdom The specimens were dated from the Oligocene, 24 to 26 million years … The platypus (Ornithorhynchus anatinus), also known as the duck-billed platypus, is a semiaquatic egg-laying mammal endemic to eastern Australia, including Tasmania.Together with the four species of echidna, it is one of the five extant species of monotremes, the only mammals that lay eggs instead of giving birth. Ektopodontid possums such as the Riversleigh Sprite Possum have the most unusual and complex teeth of any marsupial. [2], The genus was first described in 1975 by American palaeontologists Michael O. Woodburne and Richard H. Tedford based on two isolated teeth from the Lake Ngapakaldi to Lake Palankarinna Fossil Area in South Australia. Living relative, the platypus has a ventral nerve cord, pharyngeal slits and a tail,. Specimens are known, dating from the Oligocene to the animal 's length of tiny accordians side by.. Feeding on leaves, stems and other soft parts of plants of modern is... Molars had only one insect larvae, yabbies and other crustaceans, and the M3 only one Torres Islander... And other crustaceans, and the M3 only one root and a tail … the platypus! To have had a similar build to the importance of the Mesozoic and the extant.. 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