Answer | Crossword Clue |
---|---|
calamites | CALAMITE, an extinct treelike plant |
calamite | an extinct treelike plant |
pteridosperm | An extinct plant that is intermediate between the ferns and seed-bearing plants, dying out in the Triassic period |
pteridosperms | An extinct plant that is intermediate between the ferns and seed-bearing plants, dying out in the Triassic period |