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Sphaeroidothyris obesum
Taxonomy
Pionopleurum obesum was named by Cooper (1989). It is not extant. Its type locality is Jebel Balaidiyah, S1446, which is in a Callovian shallow subtidal limestone in the Tuwaiq Mountain Formation of Saudi Arabia. It is the type species of Pionopleurum.
It was recombined as Sphaeroidothyris obesum by Williams et al. (2006).
It was recombined as Sphaeroidothyris obesum by Williams et al. (2006).
Synonymy list
| Year | Name and author |
|---|---|
| 1989 | Pionopleurum obesum Cooper |
| 2006 | Sphaeroidothyris obesum Williams et al. |
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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.
†Sphaeroidothyris obesum Cooper 1989
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Diagnosis
No diagnoses are available