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Hallucigenia by NTamura Hallucigenia by NTamura
Hallucigenia... the famous oddity of the Burgess Shale.
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:icontophxomi:
tophxomi Featured By Owner Oct 13, 2013  Hobbyist General Artist
So awesome! I've loved hallucigenia since i was twelve!
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:iconzillatamer99:
zillatamer99 Featured By Owner Sep 22, 2011  Hobbyist General Artist
The worlds first walking pine cone
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:iconntamura:
NTamura Featured By Owner Sep 22, 2011
You mean cactus?
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:iconzillatamer99:
zillatamer99 Featured By Owner Sep 22, 2011  Hobbyist General Artist
Whatever they're calling it these days lol
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:iconryivhnn:
Ryivhnn Featured By Owner Sep 14, 2011  Hobbyist Digital Artist
It's been raining a bit here recently so the earthworms have been coming up (much to the fascination of my kids and the delight of my chickens). Ignoring the fact this thing appears to be underwater (a guess from the colour scheme, I know nothing about this thing but think the name is cool :P) I'm trying to envision the result or method of a prehistoric chicken trying to gobble it up :) Nice work on the texturing.
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:iconntamura:
NTamura Featured By Owner Sep 14, 2011
This thing is from the Cambrian, before the time of any vertebrate, so no prehistoric chicken would have feed on it! Scientists don't know much about this thing either. At first it was thought to walk on its spikes until somebody envision that the spikes were on the back on the animal.
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:iconryivhnn:
Ryivhnn Featured By Owner Sep 21, 2011  Hobbyist Digital Artist
Oh well then. Watch out for bigger worms? :)
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:iconntamura:
NTamura Featured By Owner Sep 21, 2011
More like big arthropods of some sort...
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:iconryivhnn:
Ryivhnn Featured By Owner Sep 22, 2011  Hobbyist Digital Artist
I should probably go read what was around during that time :)
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:iconntamura:
NTamura Featured By Owner Sep 22, 2011
Here it is:
[link]
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:iconryivhnn:
Ryivhnn Featured By Owner Sep 24, 2011  Hobbyist Digital Artist
Thanks :D
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:iconsinande:
Sinande Featured By Owner Sep 15, 2011
Hey, vertebrates *were* there in the Cambrian. Even contemporary with these guys, if some of the Chengjiang "fishies" really are vertebrates.

Though I'd sooner imagine Hallucigenia eating Myllokunmingia than the other way round :giggle:
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:iconntamura:
NTamura Featured By Owner Sep 15, 2011
Chordates but not yet vertebrates I would think...
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:iconsinande:
Sinande Featured By Owner Sep 16, 2011
OK, all the Chinese fossils could be various things, but I'm pretty sure I've heard mention of "agnathan" scales or something from the Cambrian. :confused: (*Late* Cambrian, to be sure...)
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:iconntamura:
NTamura Featured By Owner Sep 17, 2011
Agnathan scales? Some late cambrian ostracoderm? Ineresting...
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:iconsinande:
Sinande Featured By Owner Sep 21, 2011
Just looked in Benton's Vert Palaeo, the taxon is Anatolepis, and it's "isolated pieces of dermal armour", apparently complete with dentine and pulp cavity. [link] is his reference.
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:iconntamura:
NTamura Featured By Owner Sep 21, 2011
Ah, yes, Anatolepis from the Late Cambrian - Early Ordovician, considered as the first fish. Still, Hallucigenia is older from the Lower to Middle Cambrian.
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(1 Reply)
:iconavancna:
avancna Featured By Owner Sep 13, 2011  Hobbyist Traditional Artist
I've heard that people doubt that it's an onychophoran, but they've never given a reason why.
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:iconntamura:
NTamura Featured By Owner Sep 14, 2011
Concerning Hallucigenia, no theory about its exact nature is rock solid. For instance, in none of the fossils the "legs" appeared paired like the spines. So are they really legs? There is no indication of eyes or of any other organs. This thing is plain weird and I am not sure any of the different theories hold...
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:iconavancna:
avancna Featured By Owner Sep 14, 2011  Hobbyist Traditional Artist
What about the similarities between H. sparsa and H. fortis?
As for eyes, I thought none of the Cambrian onychophores had eyes.
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:iconntamura:
NTamura Featured By Owner Sep 14, 2011
Modern onychophores have eyes, simple ones. Do we have any clear example of cambrian onychophoran? Is Aysheia for instance truly an Onychophoran?
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:iconavancna:
avancna Featured By Owner Sep 14, 2011  Hobbyist Traditional Artist
Touche.
Then again, perhaps we should remember to refer to the Cambrian "onychophores" as "lobopods," and restrict the term "onychophoran" to peripati (who appear in the fossil record during the Carboniferous)
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:iconntamura:
NTamura Featured By Owner Sep 14, 2011
Yeah, I agree although I have the impression that all these attempts to connect many of these Cambrian fossils to a particular clade are more wishful thinking than anything else. Is Dickinsonia a jellyfish, an annelid or a fungus? Come on, how can you tell? It doesn't remotely look like any of these.
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:iconavancna:
avancna Featured By Owner Sep 14, 2011  Hobbyist Traditional Artist
Funny you mention Dickinsonia: some researchers have attempted make a link between it and its relatives (Yorgia, Epibaion, Praecambridium, et al) and with the Placozoans.
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:iconntamura:
NTamura Featured By Owner Sep 14, 2011
This is really odd as Dickinsonia has clearly a bilateral symmetry...
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(1 Reply)
:iconmagpie-poet:
magpie-poet Featured By Owner Sep 12, 2011
Awesome. I was trying to watercolor these guy awhile back but just wasn't having any luck, very cool to see one in a 3d render.
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:iconntamura:
NTamura Featured By Owner Sep 13, 2011
Thanks!
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:iconguyverman:
Guyverman Featured By Owner Sep 11, 2011
Most likely an annelid worm.
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:iconseridon:
Seridon Featured By Owner Sep 12, 2011
It was once believed to be a polychaete worm - the original classification of Walcott says so. However, it is now believed to be a kind of arthropod, possibly related to onychophorans.
I suggest reading the essay "The Reversal of Hallucigenia", by Stephen J. Gould: [link]
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:iconntamura:
NTamura Featured By Owner Sep 12, 2011
What make you say that?
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:iconguyverman:
Guyverman Featured By Owner Sep 12, 2011
Just a guess.
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:iconntamura:
NTamura Featured By Owner Sep 12, 2011
The current belief is that it is an Onychophoran but then this is not fullproof either...
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September 11, 2011
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