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Pterospermopsimorpha

Taxonomy
Pterospermopsimorpha was named by Timofeev (1962). It is not extant. Its type is Pterospermopsimorpha kelar.

It was assigned to Life by Riedman et al. (2023); and to Acritarcha by Andrews (1970), Knoll and Calder (1983), Shu et al. (2025).

Species
P. kelar (type species)
Species lacking formal opinion data
P. granulata, P. insolita, P. insolita, P. pileiformis
Entered
by B. Allen (authorized by A. Dunhill) on 2020-04-02; modified by B. Allen on 2020-04-03

Synonymy list
YearName and author
1962Pterospermopsimorpha Timofeev
1970Pterospermopsimorpha Andrews
1983Pterospermopsimorpha Knoll and Calder p. 493
2023Pterospermopsimorpha Riedman et al. p. 28
2025Pterospermopsimorpha Shu et al. p. Appendix

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RankNameAuthor
—Life
—Eukaryota()
RankNameAuthor
—AcritarchaEvitt 1963
genusPterospermopsimorphaTimofeev 1962

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.

G. †Pterospermopsimorpha Timofeev 1962
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†Pterospermopsimorpha kelar Timofeev 1962
Diagnosis
No diagnoses are available