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Pteridospermopsida (disused)
Taxonomy
Pteridospermopsida is a class.
It was assigned to Gymnospermophyta by Retallack (1981); and to Pteridospermophyta by Lapasha and Miller (1985).
It was assigned to Gymnospermophyta by Retallack (1981); and to Pteridospermophyta by Lapasha and Miller (1985).
Entered
by J. Cassara (authorized by H. Sims) on 2003-12-15; modified by J. Cassara on 2013-04-30
Synonymy list
| Year | Name and author |
|---|---|
| 1981 | Pteridospermopsida Retallack |
| 1985 | Pteridospermopsida Lapasha and Miller |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Cl. †Pteridospermopsida
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Diagnosis
No diagnoses are available