this post was submitted on 20 Dec 2024
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-8
if i live in a place that used to be full of almost all dinosaurs, does that mean i could have dinosaur heritage?? (lemmy.today)
submitted 1 day ago by adrianhooves@lemmy.today to c/asklemmy@lemmy.world
12 comments fedilink hide all child comments
 

i was thinking about it and it does make sense yep

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[–] jordanlund@lemmy.world 17 points 1 day ago (1 children)

No, for a couple of different reasons:

  1. Mammals diverged from reptiles approximately 325 million years ago during the Carboniferous period.

So your potential dinosaur heritage has nothing to do with where you live now.

Carboniferous Earth:

https://en.m.wikipedia.org/wiki/Carboniferous

  1. Dinosaurs wouldn't evolve until 230 million years ago. About 100 million years after mammals had already split off from the reptile family tree.

So there's no chance you have any dinosaur DNA. Our family and their famlly evolved long after the split had already happened.

[–] adrianhooves@lemmy.today 7 points 1 day ago (1 children)

dang... i think that is a very long time ago in human terms but still it's amazing how fast time flies, well at least we got cool dino-like reptiles. oh well thanks!!

[–] jordanlund@lemmy.world 5 points 1 day ago

And birds! ;)

[–] oo1@lemmings.world 4 points 1 day ago

Your heritage at that (extremely long span of ) time might be a small shrew/rat/squirrel like creature that scuttled around at the time of large dinosaurs. Probably hiding from the the small to medium sized dinos. Too small to be of note to the large ones. Adaptable enough to survive the mass extinction - maybe small, agile, mobile, omnivorous and so on.

This is a contender for an early primate - maybe - I think the fossil record is a lot less complete and harder to interpret for smaller creatures. https://en.wikipedia.org/wiki/Purgatorius

Of course the dinos changed a lot over that time - as would the mammals. I think Purgatorius is from near the K-T extinction.

There were other larger mammmals around but probably none much bigger than a wolf / lynx/ capybara type thing. I think those types are considered less likely to have evolved into primates and also some might have evolved and re-evolved into something else many millions of years before the K-T extinction.

[–] AbouBenAdhem@lemmy.world 8 points 1 day ago* (last edited 1 day ago) (1 children)

That depends—are you a bird?

[–] JoeKrogan@lemmy.world 1 points 1 day ago

We need an expert in bird law to help us

[–] spittingimage@lemmy.world 3 points 1 day ago

Sure, why not.

[–] hexdream@lemmy.world 3 points 1 day ago (1 children)

By adoption maybe... how adventurous was somebody's grannysaurus and their special friend?

[–] adrianhooves@lemmy.today 1 points 1 day ago (1 children)

huh??? no i mean like via dna or something, i mean we all share a common ancestor and like a 50th cousin so i guess maybe

[–] hexdream@lemmy.world 3 points 1 day ago (1 children)

Not my area, but I think you need to go back much further than the dinosaurs for a common ancestor. I'm sure someone with actual knowledge will educate us in the comments.

[–] adrianhooves@lemmy.today 1 points 1 day ago (1 children)

dang much further?? ok thanks, well i suppose it makes sense, but i was talking about like some human features that are dino like too

[–] Forester@yiffit.net 1 points 1 day ago* (last edited 1 day ago)

Humans and dinosaurs have a common ancestor, but it's further up the tree than the dinosaurs. Mammals broke off from the reptile tree so whenever that split happened, that's who you're looking for. If you want to follow this train of thought further, we are all from the same primordial soup of bacteria. You me the birds, the bees, the bears, all of it.