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Pseudogregoryceras
Taxonomy
Pseudogregoryceras was named by Jeannet (1951) [Sepkoski's age data: J Oxfo-l]. Its type is Pseudogregoryceras iteni.
It was assigned to Peltoceratinae by Jeannet (1951); and to Ammonoidea by Sepkoski (2002).
It was assigned to Peltoceratinae by Jeannet (1951); and to Ammonoidea by Sepkoski (2002).
Species
P. iteni (type species), P. tiechei
Synonymy list
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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. †Pseudogregoryceras Jeannet 1951
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†Pseudogregoryceras iteni Jeannet 1951
†Pseudogregoryceras tiechei Jeannet 1951
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 14.2 | 13.5 | 16.5 | 13.6 | 1.47 | |
| shell diameter | 4 | 35.5 | 29.0 | 50.2 | 33.0 | 9.47 | |
| shell inflation | 4 | 10.3 | 6.60 | 19.0 | 9.50 | 5.42 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Early/Lower Oxfordian or 161.20000 to 155.70000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Oxfordian | Switzerland | P. iteni (171559 171586) P. iteni, P. tiechei (171562) |