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Spermolithus

Taxonomy
Spermolithus was named by Johnson (1917). It is not extant. Its type is Spermolithus devonicus.

It was assigned to Pteridospermophyta by Andrews (1970).

Species
S. devonicus (type species)

Synonymy list
YearName and author
1917Spermolithus Johnson
1970Spermolithus Andrews

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RankNameAuthor
kingdomPlantae
subkingdomEmbryophyta
RankNameAuthor
phylumPteridospermophyta
genusSpermolithusJohnson 1917

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. †Spermolithus Johnson 1917
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†Spermolithus devonicus Johnson 1917
Diagnosis
No diagnoses are available