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Ithyektyphus
Taxonomy
Ithyektyphus was named by Shaw (1956) [Sepkoski's age data: Cm uMid]. It is not extant.
It was assigned to Ptychopariida by Sepkoski (2002); and to Marjumiidae by Jell and Adrain (2002).
It was assigned to Ptychopariida by Sepkoski (2002); and to Marjumiidae by Jell and Adrain (2002).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1956 | Ithyektyphus Shaw |
| 2002 | Ithyektyphus Jell and Adrain p. 389 |
| 2002 | Ithyektyphus Sepkoski |
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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. †Ithyektyphus Shaw 1956
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Whittington et al. 1997 | |||||