| NOUN | plant | pteridosperm, seed fern | an extinct seed-producing fernlike plant of the order Cycadofilicales (or group Pteridospermae) |
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| Meaning | An extinct seed-producing fernlike plant of the order Cycadofilicales (or group Pteridospermae). | |
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| Synonym | seed fern | |
| Broader | gymnosperm | plants of the class Gymnospermae having seeds not enclosed in an ovary |
| Spanish | pteridosperma, pteridosperm | |
| Catalan | pteridosperma, pteridosperm, pteridospermòpsid | |
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