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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

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

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RankNameAuthor
kingdomPlantae
subkingdomEmbryophyta
RankNameAuthor
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
Measurements
No measurements are available
No ecological data are available

Age range: base of the Hastarian to the top of the Tournaisian or 358.90000 to 346.70000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Tournaisian358.9 - 346.7United Kingdom (Scotland) C. fimbriatum (10657 10671)
Hastarian - Asbian358.9 - 336.0United Kingdom (Scotland) C. scoticum (10645)
Mississippian358.9 - 323.2United Kingdom (Scotland) C. fimbriatum (10648)