Fragillimus335
Member
Sauropod fanatic, and dinosaur specialist
Posts: 573
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Post by Fragillimus335 on Jun 27, 2013 20:15:07 GMT 5
Various ground sloths  |
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Post by theropod on Jun 28, 2013 17:26:05 GMT 5
 Yes, to me it definitely seems the holotype is far smaller than the neotype. I think Sereno's 15% figure bases on the first reconstruction (totally inaccurate of course and probably from a time where no other Carcharodontosaur was known), which makes the skull longer than it should be. Anyway, the neotype is a whole 36% larger in dimensions than the holotype, based on it's own proportions, and still 18% bigger than the inaccurate reconstruction, so Sereno must have rounded down a bit. For sure, his percentage doesn't fit the size (45ft) he gave either. |
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Post by creature386 on Jul 3, 2013 14:49:45 GMT 5
 Gebauer, E.V.I. (2007). Phylogeny and evolution of the Gorgonopsia with a special reference to the skull and skeleton of GPIT/RE/7113 ('Aelurognathus?' parringtoni) (Ph.D. thesis). Tübingen: Eberhard-Karls Universität Tübingen. p. 47 |
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Post by Grey on Jul 5, 2013 3:08:48 GMT 5
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Fragillimus335
Member
Sauropod fanatic, and dinosaur specialist
Posts: 573
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Post by Fragillimus335 on Jul 6, 2013 7:39:26 GMT 5
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Post by creature386 on Jul 6, 2013 12:30:50 GMT 5
Is that a reference to the svpow comparison?
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blaze
Paleo-artist 
Posts: 766
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Post by blaze on Jul 7, 2013 6:07:29 GMT 5
 I was bored... so I made this. The outlines of the legs and arms are there because I thought it looked weird with just the outline. I also realized that in my previous size charts with crocodiles, I always forgot to measure following the outline, oversizing them. |
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Post by creature386 on Jul 7, 2013 13:57:26 GMT 5
Tyrannosaurus and Diplodocus:  |
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Fragillimus335
Member
Sauropod fanatic, and dinosaur specialist
Posts: 573
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Post by Fragillimus335 on Jul 8, 2013 6:50:47 GMT 5
Is that a reference to the svpow comparison? No, it's an old Greg Paul comparison. |
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Post by creature386 on Jul 8, 2013 19:32:41 GMT 5
Tyrannosaurus and Diplodocus: More such pictures (posted by MysteryMeat on carnivora) from a different museum:    |
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Post by theropod on Jul 8, 2013 20:02:05 GMT 5
 No real progress here I fear, it could be anything from 5 to 8%. The difference in absolute terms I fear is too small to scale it more precisely. |
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Post by creature386 on Jul 8, 2013 21:19:28 GMT 5
Hasn't Hartman said that 6.5% larger would be the upper bound?
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Post by theropod on Jul 8, 2013 21:28:37 GMT 5
Yes, he has.
But I guess to say something exact one would actually have to study the fossil, graphical scaling has its limits.
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Deleted
Deleted Member
Posts: 0
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Post by Deleted on Jul 9, 2013 19:36:24 GMT 5
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Fragillimus335
Member
Sauropod fanatic, and dinosaur specialist
Posts: 573
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Post by Fragillimus335 on Jul 12, 2013 4:02:10 GMT 5
 The three most popular theropods in the public eye. Spinosaurus~15.6m, Tyrannosaurus~12.2m, and Velociraptor~2m |
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