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'pteridospermopsida' - used as a noun
extinct gymnosperms most of Carboniferous to Jurassic: seed ferns and allies
Variations of 'pteridospermopsida'
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Theology is never any help; it is searching in a dark cellar at midnight for a black cat that isn't there. Theologians can persuade themselves of anything.
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- Robert A. Heinlein
Fact of the day
Humans have about the same number of hair follicles as a chimpanzee has.