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Orthotichia newelli
Taxonomy
Orthotichia newelli was named by Cooper and Grant (1976). Its type specimen is USNM 150217a, a shell (Articulated shell), and it is not a trace fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Orthotichia newelli Cooper and Grant p. 2619 figs. Pl 475, figs 16-20; pl 663, figs 1-10; pl 671, figs 20-31 |
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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.
†Orthotichia newelli Cooper and Grant 1976
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 16 | 9.18 | 3.40 | 15.0 | 10.9 | 3.89 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Artinskian to the top of the Kungurian or 290.10000 to 274.40000 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | USA (Texas) | Orthotichia newelli (43535 43579 43588 43605 75885 75886 75887 102613) | |
| Artinskian - Kungurian | USA (Texas) | Orthotichia newelli (81696) | |
| Kungurian | USA (Texas) | Orthotichia newelli (43534 75862 106166) |