plural noun
Pter·​i·​do·​spermaphyta | \¦terə(ˌ)dō+\

Definition of Pteridospermaphyta 

in some classifications

: a group of fossil plants coextensive with the order Cycadofilicales but treated as coordinate with Gymnospermae and Angiospermae

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Other Words from Pteridospermaphyta

pteridospermaphytic \¦⸗⸗(ˌ)⸗¦spərmə¦fitik \ adjective
pteridospermous \-​məs \ adjective

History and Etymology for Pteridospermaphyta

New Latin, from pterid- + Spermaphyta

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to enclose within walls

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