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Periastron

Taxonomy
Periastron was named by Unger (1856). It is not extant. Its type is Periastron reticulatum.

It was assigned to Pteridospermophyta by Andrews (1970).

Species
P. reticulatum (type species)

Synonymy list
YearName and author
1856Periastron Unger
1970Periastron Andrews

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RankNameAuthor
kingdomPlantae
subkingdomEmbryophyta
RankNameAuthor
phylumPteridospermophyta
genusPeriastronUnger 1856

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. †Periastron Unger 1856
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†Periastron reticulatum Unger 1856
Diagnosis
No diagnoses are available