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Sphenaspis

Coniferales

Taxonomy
Sphenaspis was named by Hollick and Jeffrey (1909). It is not extant.

It was assigned to Coniferales by Knowlton (1919), Andrews (1970).

Species
S. statenensis
Entered
by B. Allen (authorized by A. Dunhill) on 2020-04-14; modified by B. Allen on 2022-02-21

Synonymy list
YearName and author
1909Sphenaspis Hollick and Jeffrey
1919Sphenaspis Knowlton
1970Sphenaspis Andrews

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RankNameAuthor
kingdomPlantae
subkingdomViridiplantaeCavalier-Smith 1981
—Streptophyta(Jeffrey 1971)
superphylumEmbryophyta()
—Tracheophyta(Sinnott 1935)
subphylumEuphyllophytina
RankNameAuthor
—Radiatopses
—Lignophytia
—Spermatophytata
phylumGymnospermae
orderConiferales
genusSphenaspisHollick and Jeffrey 1909

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. †Sphenaspis Hollick and Jeffrey 1909
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†Sphenaspis statenensis Hollick and Jeffrey 1909
Diagnosis
No diagnoses are available