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Glite Dictionary
Pteridospermae

Pteridospermae

9.9
Extinct seed plants with fern-like leaves from long ago
  • noun
  • /ˌtɛrɪˈdoʊspərˌmeɪ/
  • Specialized
translation icon : Pteridospermas
  • The Pteridospermae are often referred to as seed ferns due to their fern-like appearance.

Examples

  • Several species within the Pteridospermae group exhibited both seed- and fern-like characteristics.

  • Fossils of Pteridospermae provide insight into ancient ecosystems.

  • Fossils of Pteridospermae play a vital role in understanding plant evolution in the Paleozoic era.

  • The Pteridospermae thrived during the Paleozoic era.

  • Fossils of Pteridospermae play a vital role in understanding plant evolution in the Paleozoic era.

  • Several species within the Pteridospermae group exhibited both seed- and fern-like characteristics.

  • The Pteridospermae are often referred to as seed ferns due to their fern-like appearance.

Synonyms

Pteridospermaphyta
vsPteridospermae
  • Specialized
9.9

A group of extinct plants like ferns but with seeds known from fossils

has identical meaning but is a different scientific name for them
group Pteridospermae
vsPteridospermae
  • Archaic
9.9

A group of extinct plants with seeds and fern-like leaves

is the standard term without the older classification note
seed fern
vsPteridospermae
  • Specialized
9.9

Plants that looked like ferns but made seeds long ago

is the scientific group name used in formal classification
order Cycadofilicales
vsPteridospermae
  • Specialized
9.9

A group of extinct seed plants like ferns that lived a very long time ago

is the group classified under this taxonomic rank rather than the rank name
Cycadofilicales
vsPteridospermae
  • Specialized
9.9

A group of ancient seed plants called seed ferns from the Devonian period

is the broader group noted for Paleozoic fossils not only Devonian ones
Pteridospermopsida
vsPteridospermae
  • Specialized
9.9

A group of extinct seed plants with leaves like ferns that lived long ago

is narrower, referring mainly to earlier Paleozoic fossils rather than later periods

Compounds

group Pteridospermae
  • Archaic
9.9

A group of extinct plants with seeds and fern-like leaves

Surface Forms

Pteridospermae singular
Pteridospermae plural

Etymology

Pteridospermae comes from the Greek parts pteris 'fern' and sperma 'seed'. That is a helpful memory: these extinct plants looked like ferns but produced seeds, so scientists often call them 'seed ferns'.