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Post by dinosauria101 on Nov 26, 2019 3:16:57 GMT 5
I've only deleted 1, so maybe that's why you still see that.
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Post by dinosauria101 on Nov 28, 2019 17:39:32 GMT 5
creature386, I deleted some more old attachments. What does your CP say at this point?
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Post by dinosauria101 on Nov 28, 2019 18:15:07 GMT 5
Anyhow, here's Dunkleosteus (CNMH 5396, 7.8 meters and ~4.6 tonnes scaling from blaze's 6 meter, 2 tonne estimate) vs Spinosaurus (MSNM V 4047, 15 meters TL, 7.5 tonnes). Dunkleosteus by blaze, Spinosaurus by Franoys  |
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Post by creature386 on Nov 28, 2019 18:23:45 GMT 5
creature386, I deleted some more old attachments. What does your CP say at this point? 98%. It made a difference. |
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Post by dinosauria101 on Nov 29, 2019 0:33:34 GMT 5
Tyrannotitan vs Spinosaurus from Quora. Skeletals by Franoys  |
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Post by dinosauria101 on Dec 1, 2019 18:34:28 GMT 5
Siats (holotype) vs Mapusaurus (MCF-PVPH-108.169) Siats skeletal is by BlueTheDakotaraptor and is ~9 meters TL with an estimated mass of 2.365 tonnes, while Mapusaurus is by Franoys, 12.23 meters along the curves and ~7 tonnes. Scale bar is 1 meter  |
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Post by dinosauria101 on Dec 1, 2019 18:47:03 GMT 5
Triceratops vs Mapusaurus - average vs average. Triceratops is BYU 12183/MWC 7584 (8.34 meters TL, 10.5-11 tonnes) while Mapusaurus is MCF-PVPH-108.169 (12.23 meters along the curves, 7 tonnes) Triceratops side view is by GetAwayTrike and top is by Greg Paul, while Mapusaurus side and top are by Franoys  |
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Post by dinosauria101 on Dec 7, 2019 19:25:55 GMT 5
Purussaurus float of 3 (145 cm skull, 10.3 meters and 6.2 tonnes each) vs Palaeoloxodon namadicus (femur fragment, 500 cm SH, 22 tonnes). Scale squares are 1 meter, Purussaurus and Palaeoloxodon are by randomdinos and Larramendi respectively.  |
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Post by dinosauria101 on Dec 8, 2019 19:08:40 GMT 5
The old one seems to have been wrong, so I rescaled this. Hopefully it's good enough! CM 9380 Tyrannosaurus rex (11.9 metres TL, 7.5 tonnes) vs extrapolated adult size for OMNH 1670 Apatosaurus (37 meters, 100 tonnes). Scalebar on left is 1 meter, skeleta;s are by Hartman  |
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Post by roninwolf1981 on Dec 8, 2019 19:22:34 GMT 5
Is that Rex a subadult, or full-grown?
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Post by dinosauria101 on Dec 8, 2019 19:30:34 GMT 5
Full grown; somewhat above the average for Tyrannosaurus.
I can see why you might think so however; the Apatosaurus would be over 13 times larger
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Post by roninwolf1981 on Dec 8, 2019 19:58:25 GMT 5
I've always figured that Apatosaurus would have been much larger than a full-grown T-rex, but I didn't think it would be that small compared to the sauropod.
Question: are the only things allowed on this thread uploads with size comparison images, or are inquiries/requests allowed here also?
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Post by theropod on Dec 8, 2019 20:22:03 GMT 5
I've always figured that Apatosaurus would have been much larger than a full-grown T-rex, but I didn't think it would be that small compared to the sauropod. You are correct, the comparison creates a slightly misleading picture, because it depicts a hypothetical adult size of a very large but immature individual from Oklahoma (and comparing it to a large but not exceptional individual of T. rex). Such sizes can only be considered vaguely indicative of how large Apatosaurus could sometimes grow, because they are not based on an actual specimen but extrapolated based on the state of maturity of smaller specimens. However note that there is a gigantic probable caudal vertebral centrum of an apatosaurine that is over 60% larger than the same bone in the holotype of Apatosaurus louisae (a specimen at least around 22t in mass, probably a bit more), which would also indicate it came from something in this ballpark of sizes. Most Apatosaurus (and Brontosaurus) specimens (including all the well known ones of which you can see mounted skeletons in the major american museums) were far smaller, only around 20-30 t. Sure, inquire/request away. That way we might get some size comparisons someone actually wants to see. |
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Post by dinosauria101 on Dec 8, 2019 20:48:30 GMT 5
roninwolf1981, that is true. From what I know, we don't really have all that many (if ANY) mature Apatosaurus ajax, which the OMNH specimens are most likely to be due to size and location, so yeah it's extrapolated. That caudal is OMNH 1331, which gives a mass of ~ 95 tonnes and ~36.3 meters length.
Here's a size comp from earlier I made which may be more precise; CM 9380 vs OMNH 1670 as-is. This Apatosaurus would be ~28.3 meters and ~52 tonnes
In regards of making size comps, funny you should ask. I once posted exclusively attachments and I can help you with Imgur if needed
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Post by roninwolf1981 on Dec 8, 2019 23:02:13 GMT 5
Sure, inquire/request away. That way we might get some size comparisons someone actually wants to see. I've always wanted to see size comparisons between a large dromaeosaur and a machairodont rival. For the longest time, I've thought about the JP raptors, and that bit of fantasy took a blow when I found out how small Velociraptors really were. It was only 3 years ago that I've heard about Dakotaraptor and Achillobator, and it was only just last week that I learned about Machairodus horribilis. So anyways, here was my request(s):
-Smilodon gracilis vs Deinonychus antirrhopus -any combination of Smilodon gracilis, Panthera atrox or Machairodus horribilis...vs Dakotaraptor steini or Achillobator giganticus
-Panthera atrox vs Utahraptor ostrommaysi
And here's a non-cat size comparison: -Allosaurus fragilis vs Daeodon shoshonensis
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