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Ischnognathus savagei
Taxonomy
Ischnognathus savagei was named by Stovall (1948) [genotype]. Its type locality is Big Red Horizon (Main Fossil Level), which is in a Duchesnean terrestrial horizon in the Chambers Tuff Formation of Texas. It is the type species of Ischnognathus.
It was considered a nomen vanum by Van Valen (1966).
It was considered a nomen vanum by Van Valen (1966).
Synonymy list
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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.
†Ischnognathus savagei Stovall 1948
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Ji et al. 2002, Hendy et al. 2009, Lillegraven 1979, Carroll 1988, Gunnell 1998 | |||||
Age range: Duchesnean or 39.70000 to 37.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Duchesnean | USA (Texas) | Ischnognathus savagei (type locality: 16828) |