| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Tretaspis askerensis
Taxonomy
Tretaspis askerensis was named by Owen (1980).
Synonymy list
| Year | Name and author |
|---|---|
| 1980 | Tretaspis askerensis Owen |
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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.
†Tretaspis askerensis Owen 1980
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class | |||||
| References: Aberhan et al. 2004, Hendy 2009 | |||||
Age range: base of the Rawtheyan to the top of the Hirnantian or 448.80000 to 443.40000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Katian | Norway | Tretaspis askerensis (159391) | |
| Rawtheyan | Norway | Tretaspis askerensis (163354 163404 163407 164643 164644) | |
| Rawtheyan | Norway (Oslo) | Tretaspis askerensis (164642) | |
| Hirnantian | Norway | Tretaspis askerensis (163382) |