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Just in time for the JJ Abram's remake of Shatner's Star Trek 5 as the "Three Boobed Cat Woman".
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Keep in mind that the sail shape is still a working hypothesis--the spine is still very much a composite of specimens.
As for actual diversity vs. ontogeny, that's constantly being revisited in dinosaur taxonomy. Certainly, this problem has raised its head in theropods, ceratopsians, and especially lambeosaurines multiple times. This is more a relic problem left over from The Old Days of paleontology, when people weren't as...hmm...caution about taxonomic knots as they are today.
The most famous (and persistent) example of ontogeny vs. diversity is "Jane," a small tyrannosaurine from Montana. Charles Gilmore found it in the 1940's and suggested it was a new species of Gorgosaurus ("G. lancensis"). In 1988, Bakker, Currie & Williams noticed that many of the skull bones were fused, which they took to be an adult condition, and gave it a new genus: Nanotyrannus. In 1999, however, Thomas Carr provided a takedown of the adult features, pretty well convincing everybody that it's a juvenile, and since it occurs in known Tyrannosaurus beds, he considered it a juvenile Tyrannosaurus rex.
And that's pretty much where it stays today, although a few workers (Peter Larson in particular) continue to be unusually forceful in their belief that Nanotyrannus is real, and is a pygmy tyrannosaur, even though that makes absolutely no sense from an ecological perspective.
Gilmore discovered and named a small ceratopsid in 1913, Brachyceratops, based on five clearly juvenile specimens. As so few ceratopids were known in 1913, the new name at least sort of made sense. However, much later, in the 1990's, it became clear that all juvenile ceratopsids pretty much looked the same until they hit puberty, so Brachyceratops was abandoned, and those specimens were labeled "indeterminate subadult" for several years until 2011, when Andrew McDonald showed that one of the frills showed characteristics of Rubeosaurus ovatus, so today we think "Brachyceratops" is just a baby Rubosaurus.
I could go into it with lambeosaurines too, but you get the idea. Dinosaurs changed a lot as they grew up, and that fact wasn't always well-known or even considered. Every new specimen that came out of the ground got a new name during The Bone Wars, and we're still untangling those taxonomic knots today.
It's a hardware limitation like some of you mentioned.
Just like with Monhun 4, the 3DS requires a reboot after closing the game and can't run another app at the same time.
If that's the case, then I've already won my whole backlog of games and never need to play them.
You said positive Karma. I didn't specify.
For that, another -1 Karma for you.