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Extinct Animal Questions
Topic Started: Nov 26 2013, 10:24 PM (193,235 Views)
Incinerox
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Āeksiot Zaldrīzoti

heliosphoros
Oct 2 2017, 12:40 PM
Biggest question of all: do you think I should do a volaticothere field guide?
There's what, four?

Is that enough for a field guide?
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magpiealamode
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No good hero is a one-trick phony.

Yeah being totally honest, I will probably give it a look if you share it here but I'm just not particularly interested in that area and I don't know many who are. But if it's something you want to do, absolutely go for it
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heliosphoros
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Incinerox
Oct 2 2017, 07:14 PM
heliosphoros
Oct 2 2017, 12:40 PM
Biggest question of all: do you think I should do a volaticothere field guide?
There's what, four?

Is that enough for a field guide?

Five, technically.
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Incinerox
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Āeksiot Zaldrīzoti

I mean, if you branched out further and made it a Eutriconodonta field guide, you'd probably have more content to work with. Otherwise, why not?
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Moi
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لماذا ؟؟

Were orthocones and ammonites filter feeders ?
EDIT: Did non-avialae maniraptorans have a propatagium (which I am pretty sure they had) ? Also I heard that their fingers were connected by membrane that would be ripped apart if they separated them
Edited by Moi, Oct 12 2017, 12:37 PM.
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Jannick
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Papua merdeka!

Do we have any material of Grus melitensis from outside Malta? Taking into account pretty much everything we know about crane ecology, the idea of a crane species being restricted to tiny, arid Malta seems exceedingly unlikely, which would make it all the more interesting if it really was endemic.
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Incinerox
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Jannick
Oct 12 2017, 11:57 AM
Do we have any material of Grus melitensis from outside Malta? Taking into account pretty much everything we know about crane ecology, the idea of a crane species being restricted to tiny, arid Malta seems exceedingly unlikely, which would make it all the more interesting if it really was endemic.


It might have been synonymous with the Mediterranean Grus primigenia, which would extend its range by quite a bit, and fall more in line with what we know about crane ecology anyway.
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Jannick
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Papua merdeka!

Okay, so, follow-up: I read that Grus primigenia was/is considered by some to be close to/synonymous with the Sarus crane. Does this hypothesis still stand? Because that would mean that primigenia would likely be a member of Antigone rather than Grus, which has interesting implications in itself.
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stargatedalek
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I'm not slow! That's just my moe!

Moi
Oct 12 2017, 11:23 AM
Did non-avialae maniraptorans have a propatagium (which I am pretty sure they had) ? Also I heard that their fingers were connected by membrane that would be ripped apart if they separated them
They had a propatagium, and the center and outer fingers were fused in flesh. This goes for all maniraptorans besides Therizinosaurs and Alvarezsaurs.
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heliosphoros
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Jannick
Oct 12 2017, 03:01 PM
Okay, so, follow-up: I read that Grus primigenia was/is considered by some to be close to/synonymous with the Sarus crane. Does this hypothesis still stand? Because that would mean that primigenia would likely be a member of Antigone rather than Grus, which has interesting implications in itself.

The latter hypothesis seems more likely. Given the more terrestrial habits of Antigone, it would make sense for there to be an isolated island population.
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Jannick
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Papua merdeka!

I think that's a bit of an overgeneralization. There's a fair bit of overlap between and variety within the genera, so I don't think you can really call either genus definitively more terrestrial than the other. The Sandhill might be more terrestrial than the Common, which is itself more terrestrial than the Sarus, et cetera.
In any case, Antigone cranes are still 'typical' cranes in requiring wet open habitats and being at least partly migratory or nomadic. In the absence of more detailed information, I'd be more inclined to believe the Maltese birds represent members of a more widespread species (such as primigenia) which might have migrated to Malta than to believe they represent an endemic taxon.
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BossMan, Jake
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Son of God

What sort of plant fauna was around in prince creek? And was the environment more forested or open?
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Incinerox
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Āeksiot Zaldrīzoti

https://en.wikipedia.org/wiki/Prince_Creek_Formation#Plants

Pollen.

That's what we have.

Lots and LOTS of pollen.

So it's hard to tell what exactly was going on. It's likely it was mostly forested, but it would seem that it was on a muddy plain near the coast as well.
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Komodo
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Varanus komodoensis

Did fruits exist during the Mesozoic era? And if they did, is there any evidence on what aspect did they have back then? Could they have resembled modern fruits, and be part of the diet of dinosaurs?
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Furka
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I don't see why they wouldn't, cycads and ginkgoes were around back then already and there's no reason to think they wouldn't have had fruits (there's even a speculation about Stegosaurs being specialized eaters of cycad fruits).
And I do remember some ancient relative of the Pawpaw (I think ?) from Hell Creek, but the list is most likely much longer.
Edited by Furka, Oct 21 2017, 05:33 PM.
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