when do animals move out of their taxonomic groupings?

when do animals move out of their taxonomic groupings?
for example how much would a dog have to change to no longer be considered a canid?

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  1. 10 months ago
    Anonymous

    >when do animals move out of their taxonomic groupings?
    Never

    • 10 months ago
      Anonymous

      this answer is frustrating like you wouldn't believe lol.
      so if we somehow managed for the LUCA to be the creature we fully categorized does that mean a giraffe would be apart of the same family as it? same genus? is there really no point where an animal can split off?

    • 10 months ago
      Anonymous

      >hyrax
      what a ridiculous animal.

  2. 10 months ago
    Anonymous

    Since toadlines still pass despite the best efforts, i don't think it's possible anymore.

  3. 10 months ago
    Anonymous

    a dog will forever be canid, since the modern biology values the monophyly most.
    you are a primate, a mammal, an amniote, a vertebrate, and an eucaryote at the same time.

  4. 10 months ago
    Anonymous

    >no longer be considered a canid?
    Is that how the taxonomy works? Can a species change so much that it "jumps" to a different line on the chart?
    Like, if humans eventually evolved to no longer have a spine or central nervous system would we still be on the chordate line?
    Would we hop over to like a jellyfish thing, or would there just be a freaky outlier line for the new jellyfish chordates?

    • 10 months ago
      Anonymous

      Basically this

      https://i.imgur.com/nCWg4Av.png

      >when do animals move out of their taxonomic groupings?
      Never

      All tetrapod animals today are still technically classified as lobe-finned fish (Sarcopterygii).
      So to answer OP's question, it will forever be a canid as that is what it derived from. A dog can jump in the water and grow fins, but that doesn't mean it's a whale.

      • 10 months ago
        Anonymous

        >All tetrapod animals today are still technically classified as lobe-finned fish (Sarcopterygii).
        taxonomically this is no different than saying all tetrapods are vertebrates. The only thing that has changed is the public's understanding of what that means. If I say "vertebrates" the public thinks vertebrae, not fins and gills. But one has always implied the other at least at the start.

        • 10 months ago
          Anonymous

          >If I say "vertebrates" the public thinks vertebrae, not fins and gills.
          and of course dogs still have fins and gills, we just named them other things because they're being used for other things.

      • 10 months ago
        Anonymous

        >All tetrapod animals today are still technically classified as lobe-finned fish (Sarcopterygii).
        taxonomically this is no different than saying all tetrapods are vertebrates. The only thing that has changed is the public's understanding of what that means. If I say "vertebrates" the public thinks vertebrae, not fins and gills. But one has always implied the other at least at the start.

        >If I say "vertebrates" the public thinks vertebrae, not fins and gills.
        and of course dogs still have fins and gills, we just named them other things because they're being used for other things.

        thanks anons

  5. 10 months ago
    Anonymous

    Probably jaw shape.

    Hyenas, wolves and cayotes all have different bodies, but their skulls are still recognizably canine. Once that changes, you can create a new family for them.

    • 10 months ago
      Anonymous

      hyenas aren't canines though?

      • 10 months ago
        Anonymous

        >hyenas
        Anon I...

      • 10 months ago
        Anonymous

        >hyenas
        Anon I...

        Wdym? Hyenas and baboons are my favorite kinds of dogs.

        • 10 months ago
          Anonymous

          baboons are fricking metal, im glad that they have absolutely no respect for humans and shit in their houses.

  6. 11 months ago
    Anonymous

    Just consider whale evolution, they used to have toes of ungulates

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