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Description
So for those who don't know, from 2014 to 2018, I managed a speculative evolution project known as Diyu (named after the equivalent of Hell in Chinese Mythology) on the spec evo forum (and a small number of artworks for it were also posted here). The premise was that there was a gigantic cave system underneath Northern China which had been isolated from the outside world since Early Cambrian times, and for over five-hundred million years, a subterranean biosphere had developed within from Chengjiang Biota and had only been accidentally uncovered in modern times.

It sort of ended because the spec evo forum forcibly swapped hosting services and everyone migrated to a new forum built from scratch, and I lost a lot of general motivation for projects at the time as well so it slowly trickled to a sudden stop, with a lot of content unfinished. Now, I find a lot of it somewhat below my standards for spec design and some aspects questionable from an aesthetic standpoint, so if I ever decide to revisit this project I'd probably do a full reboot instead of a straight continuation (that's a very big if I should emphasize).

Anyway, I collected as many of the old Diyu fauna artworks as I could find (not including flora or extinct species) and put them all together into one image here. There are a few which are missing and three of which never ended up being posted in the project at all, but this is the majority of them (yes, it does bother me a little that I didn't keep a consistent size for the illustrations, but not much I can do about it now). For more information on individual species, just click on the link and browse through the convenient table of contents (there are also many supplementary illustrations there too).

Description
So for those who don't know, from 2014 to 2018, I managed a speculative evolution project known as Diyu (named after the equivalent of Hell in Chinese Mythology) on the spec evo forum (and a small number of artworks for it were also posted here). The premise was that there was a gigantic cave system underneath Northern China which had been isolated from the outside world since Early Cambrian times, and for over five-hundred million years, a subterranean biosphere had developed within from Chengjiang Biota and had only been accidentally uncovered in modern times.

It sort of ended because the spec evo forum forcibly swapped hosting services and everyone migrated to a new forum built from scratch, and I lost a lot of general motivation for projects at the time as well so it slowly trickled to a sudden stop, with a lot of content unfinished. Now, I find a lot of it somewhat below my standards for spec design and some aspects questionable from an aesthetic standpoint, so if I ever decide to revisit this project I'd probably do a full reboot instead of a straight continuation (that's a very big if I should emphasize).

Anyway, I collected as many of the old Diyu fauna artworks as I could find (not including flora or extinct species) and put them all together into one image here. There are a few which are missing and three of which never ended up being posted in the project at all, but this is the majority of them (yes, it does bother me a little that I didn't keep a consistent size for the illustrations, but not much I can do about it now). For more information on individual species, just click on the link and browse through the convenient table of contents (there are also many supplementary illustrations there too).