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Exochognathus brassfieldensis
Taxonomy
Trichonodella brassfieldensis was named by Branson and Branson (1947).
It was recombined as Exochognathus brassfieldensis by Rexroad and Nicoll (1972).
It was recombined as Exochognathus brassfieldensis by Rexroad and Nicoll (1972).
Synonymy list
| Year | Name and author |
|---|---|
| 1947 | Trichonodella brassfieldensis Branson and Branson |
| 1972 | Exochognathus brassfieldensis Rexroad and Nicoll |
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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.
†Exochognathus brassfieldensis Branson and Branson 1947
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: base of the Aeronian to the top of the Llandovery or 440.80000 to 433.40000 Ma
Collections (23 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Llandovery | USA (Kentucky) | Exochognathus brassfieldensis (181734 181737 181739 181747 181748 181809 181828 181829 181841) | |
| Llandovery | USA (Ohio) | Exochognathus brassfieldensis (181742 182044 182126) | |
| Llandovery | USA (Indiana) | Trichonodella brassfieldensis (180881 180884 180894 180895 180898 180913 180914 180916 180931) | |
| Aeronian | China | Exochognathus brassfieldensis (197396) | |
| Telychian - Sheinwoodian | USA (Indiana) | Trichonodella brassfieldensis (180901) |