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Calathospermum

Taxonomy
Calathospermum was named by Walton (1940). It is not extant. Its type is Calathospermum scoticum.

It was assigned to Pteridospermophyta by Andrews (1970).

Species
C. scoticum (type species), Megatheca thomasii
Species lacking formal opinion data
C. fimbriatum

Synonyms
Synonymy list
YearName and author
1940Megatheca Andrews
1940Calathospermum Walton
1970Calathospermum Andrews

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RankNameAuthor
kingdomPlantae
subkingdomViridiplantaeCavalier-Smith 1981
—Streptophyta(Jeffrey 1971)
RankNameAuthor
superphylumEmbryophyta()
phylumPteridospermophyta
genusCalathospermumWalton 1940

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. †Calathospermum Walton 1940
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†Calathospermum scoticum Walton 1940
Invalid names: Megatheca Andrews 1940 [synonym]
Diagnosis
No diagnoses are available