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c0nc0rdance
c0nc0rdance.bsky.social
did:plc:r643qxafn6b3pxfffiodojbn
We don't quite know what the spines were for.
They're circular in cross-section, meaning they probably didn't support a 'sail', as in Dimetrodon's flattened spines supporting a sail structure.
So several explanations for what they were "for":
2024-07-02T12:46:56.209Z