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| Deinonychus antirrhopus v Latenivenatrix mcmasterae | |
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| Tweet Topic Started: Nov 11 2017, 09:33 PM (555 Views) | |
| Taipan | Nov 11 2017, 09:33 PM Post #1 |
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Deinonychus antirrhopus Based on the largest known specimens, Deinonychus could reach 3.4 meters (11.1 ft), with a maximum skull length of 410 mm (16.4 in), a hip height of 0.87 meters (2.85 ft), a maximum weight of 73 kilograms (161 lb). Its skull was equipped with powerful jaws lined with around sixty curved, blade-like teeth. Studies of the skull have progressed a great deal over the decades. Ostrom reconstructed the partial, imperfectly preserved, skulls that he had as triangular, broad, and fairly similar to Allosaurus. Additional Deinonychus skull material and closely related species found with good 3D preservation show that the palate was more vaulted than Ostrom thought, making the snout far narrower, while the jugals flared broadly, giving greater stereoscopic vision. The skull of Deinonychus was different from that of Velociraptor, however, in that it had a more robust skull roof like that of Dromaeosaurus, and did not have the depressed nasals of Velociraptor. Both the skull and the lower jaw had fenestrae (skull openings) which reduced the weight of the skull. In Deinonychus, the antorbital fenestra, a skull opening between the eye and nostril, was particularly large. ![]() Latenivenatrix mcmasterae Latenivenatrix (meaning "hiding hunter") is a genus of troodontid known from one species, L. mcmasterae, described in 2017 from remains formerly identified as Troodon. With an estimated skull length of 45 centimetres (18 in) and a full body length of 3–3.5 metres (9.8–11.5 ft), Latenivenatrix is the largest troodontid known. As a derivate troodontid, it was probably a semi-omnivorous bipedal with loss of the skills of a primitive flyer. Its ecological role was probably distinct from that of Stenonychosaurus, the other smaller kind of troodontid known from the same formation. The two species can be distinguished by abovementioned morphological differences.
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| Ferreomus | Nov 12 2017, 11:58 PM Post #2 |
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Herbivore
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I think the Draemosorid wins but not easily |
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| Taipan | Nov 13 2017, 08:07 PM Post #3 |
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^ Yes I think the Dromaeosaur is the likely winner too. Unless more information is given Latenivenatrix, I believe Troodontids were more 'gracile' than Dromaeusaurs even though they may have had (in this case), similar physical dimensions (eg. skull size). |
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