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Trondorthis
Taxonomy
Trondorthis was named by Neuman (1974) [Sepkoski's age data: O Llvi Sepkoski's reference number: 412].
It was assigned to Orthinae by Neuman and Bruton (1974); to Orthida by Sepkoski (2002); and to Orthidae by Williams et al. (2000) and Hansen and Holmer (2011).
It was assigned to Orthinae by Neuman and Bruton (1974); to Orthida by Sepkoski (2002); and to Orthidae by Williams et al. (2000) and Hansen and Holmer (2011).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1974 | Trondorthis Neuman |
| 1974 | Trondorthis Neuman and Bruton |
| 2000 | Trondorthis Williams et al. p. 728 |
| 2002 | Ocorthis Sepkoski |
| 2002 | Trondorthis Sepkoski |
| 2011 | Trondorthis Hansen and Holmer |
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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. †Trondorthis Neuman 1974
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†Trondorthis bifurcatus Cooper 1956
†Trondorthis sibirica Rozman and Severgina 1983
†Trondorthis strandi Neuman and Bruton 1974
Invalid names: Ocorthis [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Fennian to the top of the Early/Lower Llanvirn or 470.70000 to 461.10000 Ma
Collections (18 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Blackhillsian | Norway (Spitsbergen) | T. sp. (189896) | |
| Fennian | France (Montagne Noire) | Ocorthis sp. (20825) | |
| Rangerian | USA (Nevada) | T. bifurcatus (297) | |
| Whiterockian | USA (Nevada) | Orthambonites bifurcatus (104442 104443 104445 210662) | |
| Abereiddian | Kazakhstan | T. sp. (165593 165594 165595 165597) | |
| Early/Lower Llanvirn | Norway (Trøndelag) | T. strandi (191062) | |
| Early/Lower Llanvirn | Norway | T. subcircularis (185943) | |
| Darriwilian | Russian Federation (Siberia) | T. sibirica (205379 206166) | |
| Darriwilian | Russian Federation (Altay) | T. sibirica (45984) | |
| Darriwilian | Russian Federation (Gorny Altai) | T. sibirica (194972) | |
| Darriwilian | Norway (Spitsbergen) | T. sp. (189875) |