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Progymnospermophyta

Taxonomy
Progymnospermophyta was named by Lang (1925). It is not extant. It was considered unknown by Lang (1925).

It was assigned to Plantae by Lang (1925); and to Embryophyta by Taylor et al. (2008).

Synonymy list
YearName and author
1925Progymnospermophyta Lang
2008Progymnospermophyta Taylor et al. p. 1027

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RankNameAuthor
kingdomPlantae
subkingdomEmbryophyta
RankNameAuthor
phylumProgymnospermophytaLang 1925
phylumProgymnospermophytaLang 1925

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.

Ph. †Progymnospermophyta Lang 1925
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G. †Actinoxylon Matten 1968
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†Actinoxylon banksii Matten 1968
G. †Arctophyton Schweitzer 1968
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†Arctophyton gracile Schweitzer 1968
G. †Proteokalon Scheckler and Banks 1971
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†Proteokalon petryi Scheckler and Banks 1971
G. †Rellimia Leclercq and Bonamo 1973
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†Rellimia thomsonii Lang 1926
Diagnosis
No diagnoses are available