Word: 
Words and phrases whose definition contains carboniferous:  (20 results)
coal
bennettitales, pecopteris
bennettitaceae, lyginopteris, temnospondyli
coniferophyta, coniferopsida, genus pecopteris, lepidodendrales, order bennettitales, pteridospermopsida
class coniferopsida, coniferophytina, genus lyginopteris, order temnospondyli
class pteridospermopsida, family bennettitaceae, order lepidodendrales
subdivision coniferophytina
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