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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Hemithalamocyathus
Archaeocyatha - Ajacicyathida
Taxonomy
Hemithalamocyathus is a genus. It is not extant.
It was assigned to Ajacicyathida by Sepkoski (2002).
It was assigned to Ajacicyathida by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Hemithalamocyathus Sepkoski, Jr. |
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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