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Phenacoperga coloradensis
Taxonomy
Perga coloradensis was named by Cockerell (1907). Its type specimen is UCM 4537, an exoskeleton, and it is a compression fossil. Its type locality is Florissant, Station 14, which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado. It is the type species of Phenacoperga.
It was recombined as Phenacoperga coloradensis by Cockerell (1908), Taeger et al. (2010) and Archibald and Rasnitsyn (2023).
It was recombined as Phenacoperga coloradensis by Cockerell (1908), Taeger et al. (2010) and Archibald and Rasnitsyn (2023).
Synonymy list
| Year | Name and author |
|---|---|
| 1907 | Perga coloradensis Cockerell p. 446 |
| 1908 | Phenacoperga coloradensis Cockerell p. 113 |
| 2010 | Phenacoperga coloradensis Taeger et al. p. 193 |
| 2023 | Phenacoperga coloradensis Archibald and Rasnitsyn p. 29 fig. 26 |
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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.
†Phenacoperga coloradensis Cockerell 1907
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Bush and Bambach 2015, Kiessling 2004 | |||||
Age range: Chadronian or 37.20000 to 33.90000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chadronian | USA (Colorado) | Perga coloradensis (type locality: 106381) |