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Hyrotrioskjan's avatar

Bromacker fauna

I put together this size chart during the latest livestream to inspire and hopefully provide a reference for those who are interested in taking part in the Bromacker paleoart contest.

As a unique upland habitat we have a lot of weird little creatures, what you see here is basically the first Serengeti, an ecosystem based on high fiber plants, an absolute novum 
during that time. 
You see here a wide variety of clades: pelycosaurs, varanodontins, seymouriamorpha, bolosaurs, caseids, microsaurs, temnospondyls and captorhinids. There should be something interesting for everyone. 

For those who want to know more, here again the official announcement, the application form and the terms and conditions.
Everyone can take part. You can submit up to 3 pieces in all sorts of media. First price wins 500 Euro

There might have been occasional temperatures below zero, that's why i added a littler bit of snow. Also I finally found some information of the seed ferns from this locality and and added it together some some
generic calamites. 
Also for convenience purposes I added a 10 cm grid. 

In addition: I have a Dropbox folder with literature about this locality, in case someone needs more information and can't get through paywalls i can send private links to the folder. 

Update II
Added a palaeodictyopterid, the largest insects there were around in this area. 
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TheSirenLord's avatar
That's a very small Dimetrodon..
Is this one of the earlier species.
Also do we have full skeletons of all the species you show?
Fuego-fantasmal's avatar
Fuego-fantasmal's avatar

Could I maybe get a link to that folder? Also, is there evidence of any other (terrestrial) invertebrates at this locality? By the way, I love your faunal charts, they're one of the main reasons I come to deviantart.

Hyrotrioskjan's avatar
Thank you very much! 
There are fossils of roaches, millipedes and I think two other insect groups. 
herofan135's avatar
Such a cool compilation, and it's very rare for an upland area to preserve so many fossil species. :wow:
TheDinoDrawer66's avatar
This is quite interesting to see the fauna of Bromaker, especially since the Bromaker challenge is here.
Can't wait to see how other people reconstruct the fauna in this formation.
TheDinoDrawer66's avatar
Dontknowwhattodraw94's avatar
It really is worth an applause for how much effort you're putting in getting this contest of the ground. You're really helping people a lot, especially those who aren't familiar with scientific literature for example. And even if one was familiar with it, it's always great to see some already existing visual material of what you're going to try to get on paper.
Hyrotrioskjan's avatar
Well, I think both the contest and its topic are important =) 
Lanval-de-Lai's avatar
I think you misspelled "fauna" in the title, just to help :)

I like very much this work, I can imagine the real ecosystem and it's not very easy to find drawings that can do that representing the Permian.
Good job!! :D
TrollMans's avatar
I'm always a sucker for geological formation compilations, but you can kind of see why there's not much paleo-depictions of the Bromacker with this chart:
(A) There's nothing especially big or impressive, traits which both paleoartists and viewers naturally tend to gravitate towards; the largest animal is like beaver-sized at best, but we know that Early Permian animals got a lot bigger than that. Even those trees are kind of small.
(B) Relating to point A, almost all of these are smaller versions of the same fauna from the North American Red Beds; why portray the ocelot-sized D. teutonis, when you could be portraying the lion-sized D. grandis or D. angelensis? The only notable exception to this is Eudibamus.
(C) Not only are the physical attributes of the fauna kind of unimpressive compared to their American equivalent, a lot of them are kind of samey. I guess it's sort of inevitable considering the fact this is the Early Permian and the ubiquitous nature of the basal tetrapod body plan, but it's a lot less impressive when they're not only lizard-shaped but lizard-sized on top of that. Dimetrodon is the only one that really stands out.

This isn't meant to discourage people (there's no real reason to not portray more plain animals or follow trends after all) and isn't a critique of the illustration in any way (since it's not like you control the size of real life animals), but it's just something I thought about regarding the nature of depicting a formation which only has small, regular-looking fauna. 
Hyrotrioskjan's avatar
On a personal note: since I work a lot with islands dwarfs I learned to appreciate the small things in life ;) 
Hyrotrioskjan's avatar
Oh totally, I know why not many looked into it so far, one of my goals (as the inoffiziell social media manager of this contest) is it to open the minds of the people to the many interesting details about this locality.
It's a unique ecosystem, not based on aquatic animals or plant life. It preserves an upland area, a mountain valley, while the rest of Earth still looked more like a coal forest we had here the first Serengeti. We have potential herd behavior preserved through the track ways. The lakes and ponds had little life, but besides crustaceans we have small freshwater jellyfish, something very unexpected and rare to preserve. There are burrows with up to 30 cm in diameter, probably belonging to Seymouria or a relative.
paleosir's avatar
These are interesting bits of information. Unfortunately you only find out such details by closely looking through the literature about the formations so most people miss it. 
Hyrotrioskjan's avatar
That's why I make them more widely known here. I will provide more information and graphics over the next weeks. 
ShinRedDear's avatar
This is very helpful indeed! Thak you!
AztecCroc's avatar
Dwarf Dimetrodon?
Hyrotrioskjan's avatar
In a way, it's the smallest known species, but unnamed Dimetrodon remains from Richards Spur show a similar size, most likely because both localities preserve a very similar environment (dry upland habitat)
Archanubis's avatar
That's a tiny species of Dimetrodon.  Kind of cute tho...OH MY GOD IT'S BITING MY ARM!!! =P
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