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Description
Some time ago I wrote in a comment I would like to draw one of those "hypothetical future fauna" based on the concept of "mammoth boars".

Boars are very succesful generalist animals, which flourish in the northern hemisphere thanks to their wide diet and broad echological niche.
In this hipothetic evolutionary scenary, the world reaches a new Ice Age, and boars capitalize on their ability to search for food below the ground, unearthing tubercules and moving toward the open plains.
In this new habitat, increasing size help for defence and termorregulation
(Bergman's rule kicks in) and with that increase there is more space for an enlarged gut, helping the boars to digest more vegetal mass( but they wouldn't say no to an ocassional carcass they could get through bullying).

The overgrown canines and snout( convergent with proboscidean defences and tapir trunk) would also contribute to the search of food under the snow layer.

The final result of that evolutionary process would be the genus Brontohyus, a giant suid filling the niche that mammoths/whooly rhinoceroses occupied on the previous glaciation.

I want to credit the original source of the boar's skeleton drawing I modified to get that design:
M. Coutureau(inrap) d'apres L. Pales et M. A. García, Mammifères du Quaternaire, éd. du CNRS. 1981

Description
Some time ago I wrote in a comment I would like to draw one of those "hypothetical future fauna" based on the concept of "mammoth boars".

Boars are very succesful generalist animals, which flourish in the northern hemisphere thanks to their wide diet and broad echological niche.
In this hipothetic evolutionary scenary, the world reaches a new Ice Age, and boars capitalize on their ability to search for food below the ground, unearthing tubercules and moving toward the open plains.
In this new habitat, increasing size help for defence and termorregulation
(Bergman's rule kicks in) and with that increase there is more space for an enlarged gut, helping the boars to digest more vegetal mass( but they wouldn't say no to an ocassional carcass they could get through bullying).

The overgrown canines and snout( convergent with proboscidean defences and tapir trunk) would also contribute to the search of food under the snow layer.

The final result of that evolutionary process would be the genus Brontohyus, a giant suid filling the niche that mammoths/whooly rhinoceroses occupied on the previous glaciation.

I want to credit the original source of the boar's skeleton drawing I modified to get that design:
M. Coutureau(inrap) d'apres L. Pales et M. A. García, Mammifères du Quaternaire, éd. du CNRS. 1981