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Urbanaspis
Taxonomy
Urbanaspis was named by Ivshin (1953) [Sepkoski's age data: Cm u]. It is not extant.
It was assigned to Ptychopariida by Sepkoski (2002); and to Catillicephalidae by Jell and Adrain (2002).
It was assigned to Ptychopariida by Sepkoski (2002); and to Catillicephalidae by Jell and Adrain (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1953 | Urbanaspis Ivshin |
| 2002 | Urbanaspis Jell and Adrain p. 457 |
| 2002 | Urbanaspis 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. †Urbanaspis Ivshin 1953
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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 | |||||
Collections
No collection or age range data are available