An extinct plant from the Mesozoic Era that resembled cycads but had different reproductive structures and internal anatomy.
From 'cycad' plus Greek '-oid' (resembling or like). Cycadeoids looked like cycads but were actually in a different group, hence the 'look-alike' suffix.
Cycadeoids were nature's doppelgangers—they looked exactly like cycads on the outside but had completely different insides, thriving alongside dinosaurs for 100+ million years before vanishing entirely!
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