Pteridospermopsida

Thesaurus

Noun

Pteridospermopsida - extinct gymnosperms most of Carboniferous to Jurassic: seed ferns and alliesclass Pteridospermopsidaclass - (biology) a taxonomic group containing one or more ordersclass Gymnospermae, division Gymnospermophyta, Gymnospermae, Gymnospermophyta - plants having naked seeds not enclosed in an ovary; in some systems considered a class (Gymnospermae) and in others a division (Gymnospermophyta); comprises three subdivisions (or classes): Cycadophytina (class Cycadopsida) and Gnetophytina (class Gnetopsida) and Coniferophytina (class Coniferopsida); in some classifications the Coniferophytina are divided into three groups: Pinophytina (class Pinopsida) and Ginkgophytina (class Ginkgopsida) and Taxophytina (class Taxopsida)Cycadofilicales, Lyginopteridales, order Cycadofilicales, order Lyginopteridales - fossil gymnospermous trees or climbing plants from the Devonian: seed ferns

Pteridospermopsida

noun

Synonyms for Pteridospermopsida

noun extinct gymnosperms most of Carboniferous to Jurassic: seed ferns and allies

Synonyms

class Pteridospermopsida

Related Words

class
class Gymnospermae
division Gymnospermophyta
Gymnospermae
Gymnospermophyta
Cycadofilicales
Lyginopteridales
order Cycadofilicales
order Lyginopteridales