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Rare Pteridosperm or Seed Fern Fossil Fruit |
 | | Name: Pteridospermatophyta seed, which is the "seed" or "megaspore" of the seed fern Neuropteris |
 | | Most notable were the seed ferns (or the Pteridospermatophyta, that, like their close relatives, the cycads, did not reproduce very frequently, but when they did, it was by means of large seeds. |
 | | The extant descendents of the extinct Pteridospermatophyta practice sex with spores, Fossil fern fruits have also been called "petrified pecan nuts" because of their superficial resemblance to modern pecans. |
| fossilmuseum.net /plantfossils/SeedFernFruit/Pteridospermatophyta.htm (198 words) |
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