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Hydrasperma

Taxonomy
Hydrasperma was named by Long (1961). It is not extant. Its type is Hydrasperma tenuis.

It was assigned to Pteridospermophyta by Andrews (1970).

Species
H. tenuis (type species)
Species lacking formal opinion data

Synonymy list
YearName and author
1961Hydrasperma Long
1970Hydrasperma Andrews

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RankNameAuthor
kingdomPlantae
subkingdomEmbryophyta
RankNameAuthor
phylumPteridospermophyta
genusHydraspermaLong 1961

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. †Hydrasperma Long 1961
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Hydrasperma tenuis Long 1961
Diagnosis
No diagnoses are available