Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Greysonia
Taxonomy
Greysonia was named by Walcott (1914). It is not extant. Its type is Greysonia basaltica.
It was assigned to Problematica by Andrews (1970).
It was assigned to Problematica by Andrews (1970).
Species
G. basaltica (type species)
Synonymy list
Year | Name and author |
---|---|
1914 | Greysonia Walcott |
1970 | Greysonia Andrews |
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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.
Diagnosis
No diagnoses are available