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Polythyra
Taxonomy
Polythyra is a genus. It is not extant.
It was assigned to Lithistida by Sepkoski (2002); and to Spirosclerophorida by Finks et al. (2004).
It was assigned to Lithistida by Sepkoski (2002); and to Spirosclerophorida by Finks et al. (2004).
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Polythyra Sepkoski |
| 2004 | Polythyra Finks et al. p. 317 |
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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. †Polythyra
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Whittington et al. 1997 | |||||
Collections
No collection or age range data are available