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[–] 4 points 4 months ago (2 children)

still it isn't the bone that's on the outside

but even if we had a vertebrate fossil that had parts of their endoskeleton exposed, it's so rare that it's safe to assume it wasn't.

imma bet the thagomiser was covered with tissues, hardened skin, ketarin, not just naked bone.

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  • [–] 1 point 4 months ago (1 child)

    still it isn't the bone that's on the outside

    That's what I mean. Skin that gives color but mostly preserves the look of the bone plates, with gaps remaining visible

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