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Noun pteridosperm has 1 sense
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Definitions from the WebPteridospermDefinition:Pteridosperm refers to an extinct group of seed plants that thrived during the Paleozoic era, characterized by fern-like leaves and producing seeds. They were abundant during the Carboniferous period but eventually became extinct. Parts of Speech:
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Usages:Pteridosperms were an important component of the Carboniferous rainforests. The fossil record shows the diversity and wide distribution of pteridosperms during the Paleozoic era. Scientists study pteridosperms to understand the evolution of seed plants. Related Products:Explore related products on Amazon: | ||||
pteridium pteridium aquilinum pteridium esculentum pteridological pteridologist pteridology pteridophyta pteridophyte pteridosperm pteridospermae pteridospermaphyta pteridospermopsida pterigoideus pteriidae pterion pteris pteris cretica
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