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Harrisiothecium marsilioides

Peltaspermopsida - Peltaspermales - Umkomasiaceae

Taxonomy
Hydropteridangium marsilioides was named by Harris (1932). It is not extant. It is the type species of Harrisiothecium, Harrisia.

It was recombined as Harrisia marsilioides by Lundblad (1950); it was recombined as Harrisiothecium marsilioides by Lundblad (1961).

Synonymy list
YearName and author
1932Hydropteridangium marsilioides Harris
1950Harrisia marsilioides Lundblad
1961Harrisiothecium marsilioides Lundblad

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RankNameAuthor
kingdomPlantae
phylumTracheophyta(Sinnott 1935)
Pteridobiotina
superphylumCycadophytanae
phylumPeltaspermophyta
RankNameAuthor
classPeltaspermopsida
orderPeltaspermalesDelevoryas 1979
familyUmkomasiaceaePetriella 1981
genusHarrisiotheciumLundblad 1961
speciesmarsilioides(Harris 1932)

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.

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Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Collections
No collection or age range data are available