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Phygadeuon petrifactellus
Taxonomy
Phygadeuon petrifactellus was named by Cockerell (1921). Its type specimen is USNM 66580, an exoskeleton, and it is a compression fossil. Its type locality is White River (Scudder collection), which is in a Bridgerian lacustrine - large shale in the Green River Formation of Utah.
Synonymy list
| Year | Name and author |
|---|---|
| 1921 | Phygadeuon petrifactellus Cockerell p. 257 figs. Pl 36, fig 4 |
| 2018 | Phygadeuon petrifactellus Spasojevic et al. p. 55 fig. 11 |
| 2019 | Phygadeuon petrifactellus Klopfstein and Spasojevic p. 18 fig. 6D |
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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.
†Phygadeuon petrifactellus Cockerell 1921
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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: Bridgerian or 50.50000 to 46.20000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bridgerian | USA (Utah) | Phygadeuon petrifactellus (type locality: 116369) |