Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Sphenophyllostachys dawsoni

Equisetopsida - Sphenophyllales

Taxonomy
Volkmannia dawsoni was named by Williamson (1871). It is not extant. It is the type species of Sphenophyllostachys.

It was recombined as Sphenophyllostachys dawsoni by Seward (1896).

Entered
by B. Allen (authorized by A. Dunhill) on 2020-04-14

Synonymy list
YearName and author
1871Volkmannia dawsoni Williamson
1896Sphenophyllostachys dawsoni Seward

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomPlantae
subkingdomViridiplantaeCavalier-Smith 1981
—Streptophyta(Jeffrey 1971)
superphylumEmbryophyta()
—Tracheophyta(Sinnott 1935)
—Pteridobiotina
RankNameAuthor
superphylumPteridophytanae
phylumEquisetophytaScott 1900
classEquisetopsidaAgardh 1825
orderSphenophyllalesSeward 1898
genusSphenophyllostachysSeward 1896
speciesdawsoni(Williamson 1871)

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.

†Sphenophyllostachys dawsoni Williamson 1871
show all | hide all
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Diet: "photoautotroph"superp
Created: 2026-03-30 14:38:16
Modified: 2026-03-30 14:38:16
Source: superp = superphylum
Reference: Kenrick and Crane 1997
Collections
No collection or age range data are available