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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Psioidea
Taxonomy
Psioidea is a genus. It is not extant.
It was assigned to Spiriferida by Sepkoski (2002); and to Dentospiriferininae by Williams et al. (2006).
It was assigned to Spiriferida by Sepkoski (2002); and to Dentospiriferininae by Williams et al. (2006).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Psioidea Sepkoski |
| 2006 | Psioidea Williams et al. p. 1895 |
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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.
G. †Psioidea
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†Psioidea muliensis Xu 1978
†Psioidea nelsonensis Trechmann 1917
†Psioidea paragriesbachi Xu 1978
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 10.6 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||