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Commission: Patagonia and Necrolestes

December 5, 2016

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Another commission by Julio Lacerda.

Necrolestes and Patagonia were two unique Miocene mammals from South America. These were among the very last non-therian mammals on the planet – a dryolestidan and a gondwanathere, respectively -, making them sort of archaic holdovers in our age of placentals and marsupials. Both were subterranean species, probably due to competition from more “modern” mammals.

In essence, they were to South America what modern monotremes are to Australia. It’s worth to note that it’s been suggested that marsupial moles are living dryolestoids, meaning that Necrolestes may still have modern relatives at least.

6 Comments leave one →
  1. December 10, 2016 4:06 am

    Will the monotremes end up the same in some time in the future?

  2. December 10, 2016 3:34 pm

    Will one day the modern monotremes be the Patagonia and Necrolestes of that post to a future civilization? Will they go extinct and future intelligent entities try to reconstruct them? In short, are they vulnerable to extinction? It seems they have specialized in niches with no much competition.

    • December 11, 2016 3:12 am

      Monotremes are basically Australia’s answer to Patagonia and Necrolestes, being specialised relics as they are.

      • December 12, 2016 12:51 pm

        If the South American relics were so specialized, why did they go extinct and what does that tell about monotreme future?

      • December 12, 2016 1:14 pm

        Who knows. Many extinction events took place in South America prior to the faunal interchange.

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