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| Definition: | [n] fossil gymnospermous plants of the Mesozoic age Definition updated by request from Dr. Joan Watson, UK. | ||
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| Synonyms: | order Bennettitales | ||
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| See Also: | Bennettitaceae, class Cycadopsida, Cycadophyta, Cycadophytina, Cycadopsida, family Bennettitaceae, plant order, subdivision Cycadophyta, subdivision Cycadophytina | ||
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