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Oedorhachis
Taxonomy
Oedorhachis was named by Resser (1938) [Sepkoski's age data: Cm uMid-u Cm Dres-l Sepkoski's reference number: 16,1017]. It is not extant.
It was assigned to Diplagnostidae by Whittington et al. (1997); and to Agnostida by Sepkoski (2002).
It was assigned to Diplagnostidae by Whittington et al. (1997); and to Agnostida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1938 | Oedorhachis Resser |
| 1997 | Oedorhachis Whittington et al. p. 364 |
| 2002 | Oedorhachis 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. †Oedorhachis Resser 1938
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†Oedorhachis globulosus Ergaliev 2001
†Oedorhachis taitzehoensis Chu 1959
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order | |||||
| References: Hendy 2009, Kiessling 2004 | |||||
Age range: base of the Guzhangian to the top of the Dresbachian or 500.50000 to 485.40000 Ma
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Cambrian | Argentina (Mendoza) | O. typicalis (9811) | |
| Menevian | Greenland (Peary Land) | O. typicalis (49488) | |
| Menevian | USA (Utah) | O. typicalis (230681) | |
| Guzhangian | China (Liaoning) | Homagnostus taitzehoensis (126903 129884 129894) | |
| Ayusokkanian | Kazakhstan | O. globulosus (118234 118236 118238 118239 118241) | |
| Dresbachian | Canada (Yukon) | O. typicalis (55211 55215) |