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Nevadoceras steelei
Taxonomy
Nevadoceras steelei was named by Schiappa et al. (1995). Its type specimen is SUI 58011 and is a 3D body fossil. Its type locality is Portuguese Springs, White Pine County, which is in an Artinskian basinal (carbonate) lime mudstone in Nevada. It is the type species of Nevadoceras.
Synonymy list
| Year | Name and author |
|---|---|
| 1995 | Nevadoceras steelei Schiappa et al. p. 1077 figs. 3.1-3.7, 4.4, 5 |
| 2002 | Nevadoceras steelei Leonova |
| 2015 | Nevadoceras steelei Leonova and Boiko p. 587 |
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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.
†Nevadoceras steelei Schiappa et al. 1995
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 13.8 | 12.3 | 15.4 | 13.9 | 2.19 | |
| shell diameter | 2 | 27.0 | 24.6 | 29.6 | 27.1 | 3.54 | |
| shell inflation | 2 | 2.77 | 2.20 | 3.50 | 2.85 | 0.919 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Artinskian or 290.10000 to 283.30000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | USA (Nevada) | Nevadoceras steelei (type locality: 61734) |