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pteridospermopsida
'pteridospermopsida' - used as a noun
1. extinct gymnosperms most of Carboniferous to Jurassic: seed ferns and allies
Variations of 'pteridospermopsida'
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    The spider used in the 2002 movie Spider-Man was a Steatoda spider, not a black widow. The spider was given anaesthesia, and was then painted blue and red.