Relating to or characteristic of calamites; describing fossils or features from the calamite plant family.
From 'calamite' + '-ean' (relating to). This forms an adjective describing anything connected to or resembling calamite fossils.
Calamitean fossils were the first evidence that Earth once had giant plants taller than houses, shocking Victorian paleontologists who realized our planet's past was far stranger than anyone imagined.
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