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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Leyeceras
Taxonomy
Leyeceras was named by Brayard and Bucher (2008). Its type is Leyeceras rothi.
It was assigned to Proptychitidae by Brayard and Bucher (2008), Shigeta and Nguyen (2014).
It was assigned to Proptychitidae by Brayard and Bucher (2008), Shigeta and Nguyen (2014).
Species
L. rothi (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2008 | Leyeceras Brayard and Bucher p. 39 |
| 2014 | Leyeceras Shigeta and Nguyen p. 83 |
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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 | 7 | 36.0 | 13.0 | 75.0 | 37.0 | 24.7 | |
| shell diameter | 7 | 76.5 | 30.0 | 163.0 | 74.2 | 47.8 | |
| shell inflation | 7 | 18.2 | 8.00 | 39.5 | 18.0 | 11.7 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Smithian or 249.90000 to 248.10000 Ma
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Smithian | Oman | L. rothi (127390 127392 127430) | |
| Smithian | China (Guangxi) | L. rothi (97157 97158 97160 97163) | |
| Smithian | China (Xizang) | L. sp. (97358) | |
| Smithian | Vietnam | L. rothi (155493 155507 155509 155542 155543) |