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Thorsteinssonoceras
Taxonomy
Thorsteinssonoceras was named by Jeletzky (1965) [Sepkoski's age data: K Vala-l]. Its type is Thorsteinssonoceras ellesmerensis.
It was assigned to Craspeditidae by Jeletzky (1965); to Ammonoidea by Sepkoski (2002); and to Tolliinae by Alsen (2006).
It was assigned to Craspeditidae by Jeletzky (1965); to Ammonoidea by Sepkoski (2002); and to Tolliinae by Alsen (2006).
Species
T. ellesmerensis (type species)
Species lacking formal opinion data
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. †Thorsteinssonoceras Jeletzky 1965
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†Thorsteinssonoceras ellesmerensis Jeletzky 1965
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Valanginian or 137.05000 to 132.60000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Valanginian | Canada (Nunavut) | T. ellesmerensis (87421) | |
| Early/Lower Valanginian | Russian Federation | T. bulungensis (189434 189614 189625) T. ellesmerensis (189621 189623) T. schulginae (65452) | |
| Valanginian | Canada (Nunavut) | T. ellesmerensis (87422 87424) | |
| Valanginian | Svalbard and Jan Mayen | T. ellesmerensis (87425) |