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Palaeodrassus cockerelli
Taxonomy
Palaeodrassus cockerelli was named by Petrunkevitch (1922). Its type specimen is UCM 17706, an exoskeleton, and it is a compression fossil. Its type locality is Florissant (University of Colorado Collection), which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.
Synonymy list
| Year | Name and author |
|---|---|
| 1922 | Palaeodrassus cockerelli Petrunkevitch p. 235 fig. 9 |
| 2013 | Palaeodrassus cockerelli Dunlop et al. p. 177 |
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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.
†Palaeodrassus cockerelli Petrunkevitch 1922
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Bush and Bambach 2015 | |||||
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) | Palaeodrassus cockerelli (type locality: 127617) |