
A detailed study of fossil crinoids from the Silurian period in America, published by the Smithsonian Institution.
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A detailed study of fossil crinoids from the Silurian period in America, published by the Smithsonian Institution.
will contain mild spoilers
No romantic or sexual content present
No violence or gore depicted
No profanity or strong language used
No substance use depicted
No LGBTQ+ representation present
No religious themes present
No magic or witchcraft elements
No occult or demonological content
No political or ideological messaging
No self-harm or suicide themes
No abuse or suffering themes depicted
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