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Elkia
Taxonomy
Elkia was named by Walcott (1924) [Sepkoski's age data: Cm Fran-u Cm Trep]. It is not extant.
It was assigned to Dikelocephalidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
It was assigned to Dikelocephalidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1924 | Elkia Walcott |
| 2002 | Elkia Jell and Adrain p. 370 |
| 2002 | Elkia 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. †Elkia Walcott 1924
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Whittington et al. 1997, Aberhan et al. 2004, Hendy et al. 2009 | |||||
Age range: Trempealeauan or 492.50000 to 485.40000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Trempealeauan | USA (Nevada) | E. nasuta (233789) | |
| Trempealeauan | USA (Texas) | E. sp. (216017) |