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Shigetaceras
Taxonomy
Shigetaceras was named by Brühwiler et al. (2010).
It was assigned to Meekocerataceae by Brühwiler et al. (2010); and to Galfettitidae by Brühwiler and Bucher (2012).
It was assigned to Meekocerataceae by Brühwiler et al. (2010); and to Galfettitidae by Brühwiler and Bucher (2012).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2010 | Shigetaceras Brühwiler et al. p. 428 |
| 2012 | Shigetaceras Brühwiler and Bucher p. 25 |
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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.
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 5 | 16.2 | 13.0 | 22.0 | 14.8 | 4.76 | |
| shell diameter | 5 | 35.1 | 26.0 | 45.0 | 40.0 | 8.23 | |
| shell inflation | 5 | 6.48 | 6.00 | 7.00 | 6.50 | 0.707 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004, Hendy et al. 2009 | |||||
Age range: Smithian or 249.90000 to 248.10000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Smithian | Russian Federation (Primorye) | Hemiprionites dunajensis (47247 47248 47257 47272) | |
| Smithian | Russian Federation | Hemiprionites dunajensis (212291) | |
| Smithian | India (Himachal Pradesh) | S. dunajensis (139632) | |
| Smithian | China (Xizang) | S. dunajensis (97334 97358 229753 229754) S. sp. (229771) |