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Eospencia
Taxonomy
Eospencia was named by Chernysheva (1961). It is not extant.
It was assigned to Trilobita by Repina et al. (1999); and to Ptychopariidae by Jell and Adrain (2002).
It was assigned to Trilobita by Repina et al. (1999); and to Ptychopariidae by Jell and Adrain (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1961 | Eospencia Chernysheva |
| 1999 | Eospencia Repina et al. p. 9 |
| 2002 | Eospencia Jell and Adrain p. 373 |
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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. †Eospencia Chernysheva 1961
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Hendy 2009, Aberhan et al. 2004 | |||||
Age range: Toyonian or 512.90000 to 510.20000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lenian | Russian Federation (Kemorovo) | E. sp. (57024 57028) | |
| Toyonian | Russian Federation (Khakasiya) | E. amgensis (81331) | |
| Toyonian | Russian Federation (Krasnoyarskiy Kray) | E. amgensis (81439) |