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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Xiphenax jurassicus
Taxonomy
Xiphenax jurassicus was named by Cockerell (1931). It is a compression fossil. Its type locality is 35 miles east of Santa Rosa, which is in a Callovian pond shale in the Todilto Formation of New Mexico.
Synonymy list
| Year | Name and author |
|---|---|
| 1931 | Xiphenax jurassicus Cockerell p. 96 fig. 1 |
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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.
†Xiphenax jurassicus Cockerell 1931
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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: Middle Callovian or 164.70000 to 161.20000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Callovian | USA (New Mexico) | Xiphenax jurassicus (type locality: 160094) |