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| What was the world's tallest dinosaur? | |
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| Tweet Topic Started: Jul 30 2014, 01:05 AM (4,833 Views) | |
| vegetarian | Jul 30 2014, 01:05 AM Post #1 |
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Herbivore
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What was the world's tallest dinosaur? |
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| DarkGricer | Mar 21 2015, 05:14 AM Post #16 |
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Omnivore
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If we're gonna include more dubious examples, I feel Breviparopus is worth mentioning. Breviparopus is know only from a set of trackways. But they suggest a Brachiosaur that might've reached over 20 meters in height. |
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| Thalassophoneus | Mar 21 2015, 05:19 AM Post #17 |
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Pelagic Killer
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The newest measurements place Breviparopus to a length of 34-37 meters which is equal to the maximum of a Sauroposeidon. |
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| DinosaurFan95 | Mar 21 2015, 05:39 AM Post #18 |
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Omnivore
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At hip hight, the lost species of Ampaloceiolias (spp?), at head hight, Brachiosaurus branchi, not to be confused with the slightly smaller B. altithorax. |
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| Thalassophoneus | Apr 3 2015, 02:32 AM Post #19 |
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Pelagic Killer
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First, you MURDERED the word "Amphicoelias". Second, it is Giraffatitan Brancai. And third, you are seriously telling me that Giraffatitan was taller than Sauroposeidon? |
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| DinosaurFan95 | Apr 3 2015, 10:01 AM Post #20 |
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Omnivore
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I consider "giraffititan" to be a junior synonym of Brachiosaurus. I murdered no name! He was like that when I looked him up! And yes, I'm believe that B. Branchi was taller than sauroposeidon. (Who we don't have enough bones to tell hight). |
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| Thalassophoneus | Apr 3 2015, 07:57 PM Post #21 |
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Pelagic Killer
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Giraffatitan is considered a distinct species from Brachiosaurus. If you search "Ampaloceiolas" you will get about nothing while if you search "Amphicoelias" you will get tons of serach results. It comes from the Greek words "Amphi" which means "from both sides" and "Koilos" which means "Hollow". In Greek it is pronounced "Amphikoilios". Why do you have this habit to shrink all dinosaurs? |
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| theropod | Apr 3 2015, 08:06 PM Post #22 |
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palaeontology, open source and survival enthusiast
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@allosaurusatrox: You don’t have enough bones to tell it was larger, but enough to tell it was smaller? Clearly the four cervical vertebrae of sauroposeidon suggest something taller than G. brancai, regardless of what the rest looks like (i.e. even if all that was larger was the neck). B. altithorax is larger than G. brancai, at least going by mass. Edited by theropod, Apr 3 2015, 08:25 PM.
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| Thalassophoneus | Apr 3 2015, 08:09 PM Post #23 |
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Pelagic Killer
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Giraffatitan Brancai also had other anatomical differences like a proportionally smaller body and a more protruding forehead. |
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| theropod | Apr 3 2015, 08:35 PM Post #24 |
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palaeontology, open source and survival enthusiast
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Of course. Brachiosaurus althithorax and Giraffatitan brancai may not even be sister-taxa, meaning that if one were to include both in the same genus, one would have to do that to various other brachiosaurs. Of course, many people working on extant animals may well be inclined to do that, but unless you consider Abydosaurus and Cedarosaurus junior synonyms of Brachiosaurus too, you should be careful doing so with Giraffatitan. http://svpow.com/2013/01/23/and-that-ladies-and-gentlemen-is-why-you-code-brachiosaurus-and-giraffatitan-separately/ |
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| DinosaurFan95 | Apr 4 2015, 04:59 AM Post #25 |
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Omnivore
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Both of which fall within the normal morphological variations of a species. No two animals are copies of one another. Just look at chimps or elephants, or for a more osteological example, look at a selection of gorilla skulls, each shows a subtle (but sometimes not) variation in brow thickness, crest hight, or the prominence of the zygomatic arches. If by your logic B. branchi should be a separate species based on such subtle characters as brow hight, then H. sapiens should be divided into at least six or seven species. |
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| theropod | Apr 5 2015, 10:34 PM Post #26 |
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palaeontology, open source and survival enthusiast
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Taylor (2009) disagrees that they even fall within the normal morphological variations of a genus, let alone a species. Brachiosaurus and Giraffatitan are not closer to each other than to a number of other brachiosaurs. You may as well synonymise Giraffatitan and Europasaurus or Brachiosaurus and Abydosaurus. Of course that is entirely subjective, but subjectivity doesn’t mean one doesn’t have to give reasons. As I wrote, if you think all of brachiosaurs are one genus, that’s fine with me. Understandable even, from an extant point of view. May as well put all tyrannosaurids or diplodocids in one genus then, tough. "B. branchi" is a valid species of South African frog described in 2012 based on morphological and genetic characters.→ Giraffatitan brancai is a valid species , definitely separate from Brachiosaurus althithorax, that much has never been doubted. The recent tendency is to put it in its own genus too. If you look at those subtle differences you think could be intraspecific variation, you’ll notice that they are every bit as large as those between any two brachiosaurs you could pick. Edited by theropod, Apr 5 2015, 10:35 PM.
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| Thalassophoneus | Apr 6 2015, 01:15 AM Post #27 |
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Pelagic Killer
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Giraffatitan with Europasaurus? Seriously? There is no way the two names are synonyms! |
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| DinosaurFan95 | Apr 6 2015, 01:43 AM Post #28 |
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Omnivore
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Well I guess I'm a "lumper" then. Can't let a person make a simple spelling error... |
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| blaze | Apr 6 2015, 04:21 AM Post #29 |
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Carnivore
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The only extant example where you find such big differences between species is in reptiles, herpetologists are such lumpers that if mosasaurs were alive they'll probably be in varanus too. |
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| DinosaurFan95 | Apr 6 2015, 04:23 PM Post #30 |
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Omnivore
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Mammals are just as variable. |
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