| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Physostoma
Taxonomy
Physostoma was named by Williamson (1876). It is not extant. Its type is Physostoma elegans.
It was assigned to Pteridospermophyta by Andrews (1970).
It was assigned to Pteridospermophyta by Andrews (1970).
Species
P. elegans (syn. Sporocarpon ornatus, Lagenostoma physoides) (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1876 | Physostoma Williamson |
| 1970 | Physostoma Andrews |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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. †Physostoma Williamson 1876
show all | hide all
†Physostoma elegans Williamson 1876
hide
Invalid names: Lagenostoma physoides Williamson 1876 [synonym], Sporocarpon ornatus Williamson 1880 [synonym]
Diagnosis
No diagnoses are available