NOUN
- an extinct seed-producing fernlike plant of the order Cycadofilicales (or group Pteridospermae)
How To Use seed fern In A Sentence
- Hundreds of fossils are locked in glass cases, specimens from all over southern Africa: shells and worms and nautiluses and seed ferns and trilobites, and minerals, too; yellow-green crystals and gleaming clusters of quartz; mosquitoes in drops of amber; scheelite, wulfenite. Memory Wall
- The idea that cycads stem from Carboniferous so-called pteridosperms (‘seed ferns’ or seed plants with fern-like foliage) has long been popular with paleobotanists.
- Hundreds of fossils are locked in glass cases, specimens from all over southern Africa: shells and worms and nautiluses and seed ferns and trilobites, and minerals, too; yellow-green crystals and gleaming clusters of quartz; mosquitoes in drops of amber; scheelite, wulfenite. Memory Wall
- The first seeds evolved in a group of vascular plants sometimes called the pteridosperms, or ‘seed ferns.’