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family of fossil gymnospermous plants of the Carboniferous Bennettitaceae , family Bennettitaceae
fossil gymnospermous plants of the Carboniferous Bennettitales , order Bennettitales
cone-bearing gymnosperms dating from the Carboniferous period; most are substantial trees; includes the classes Pinopsida (subdivision Pinophytina) and Ginkgopsida (subdivision Ginkgophytina) and Taxopsida (subdivision Taxophytina) which in turn include t class Coniferopsida , Coniferophyta , Coniferophytina , Coniferopsida , subdivision Coniferophytina
extinct gymnosperms most of Carboniferous to Jurassic: seed ferns and allies class Pteridospermopsida , Pteridospermopsida
fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period coal
genus of fossil seed ferns of the Carboniferous genus Lyginopteris , Lyginopteris
genus of Carboniferous fossil ferns genus Pecopteris
fossil arborescent plants arising during the early Devonian and conspicuous throughout the Carboniferous Lepidodendrales , order Lepidodendrales
formerly a suborder of Stegocephalia; large Carboniferous and Permian amphibians having vertebrae in which some elements remain separate order Temnospondyli , Temnospondyli
Carboniferous fossil fern characterized by a regular arrangement of the leaflets resembling a comb pecopteris
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