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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Thamnoseris arnaudi
Taxonomy
Polyastropsis arnaudi was named by Alloiteau (1957). It is not extant.
It was recombined as Thamnoseris arnaudi by Löser (2008).
It was recombined as Thamnoseris arnaudi by Löser (2008).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1957 | Polyastropsis arnaudi Alloiteau |
| 2008 | Thamnoseris arnaudi Löser |
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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.
†Thamnoseris arnaudi Alloiteau 1957
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Barremian to the top of the Late/Upper Turonian or 125.77000 to 89.80000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Hauterivian - Barremian | Chile | Polyastropsis arnaudi (34633) | |
| Barremian - Early/Lower Aptian | Mexico | Polyastropsis arnaudi (21253) | |
| Early/Lower Aptian | Greece | Polyastropsis arnaudi (34719) | |
| Late/Upper Aptian | Tanzania | Thamnoseris arnaudi (85347 85352) | |
| Early/Lower Albian | Mexico | Polyastropsis arnaudi (21254) | |
| Early/Lower Cenomanian | Greece | Polyastropsis arnaudi (203930) | |
| Late/Upper Turonian | Bulgaria | Polyastropsis arnaudi (67563) |