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Piatnitzkyceras
Taxonomy
Piatnitzkyceras was named by Medina and Riccardi (2005). Its type is Piatnitzkyceras bonarellii.
It was assigned to Silesitidae by Medina and Riccardi (2005).
It was assigned to Silesitidae by Medina and Riccardi (2005).
Species
P. bonarellii (type species), P. infirmum
Synonymy list
| Year | Name and author |
|---|---|
| 2005 | Piatnitzkyceras Medina and Riccardi pp. 265, 267 |
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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.
G. †Piatnitzkyceras Medina and Riccardi 2005
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†Piatnitzkyceras bonarellii Medina and Riccardi 2005
†Piatnitzkyceras infirmum Medina and Riccardi 2005
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 18.6 | 14.4 | 21.2 | 21.0 | 3.87 | |
| shell diameter | 3 | 50.4 | 41.0 | 62.0 | 50.3 | 10.5 | |
| shell inflation | 3 | 21.2 | 17.6 | 24.1 | 22.6 | 3.40 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Early/Lower Albian or 113.20000 to 110.10000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Albian | Argentina | P. bonarellii (159013) |