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Isbergia
Taxonomy
Isbergia was named by Warburg (1925). Its type is Isbergia planifrons.
It was assigned to Scharyiinae by Owens (1978), Thomas and Owens (1978); to Rorringtoniinae by Owens and Hammann (1990); to Proetida by Sepkoski (2002); and to Rorringtoniidae by Jell and Adrain (2002).
It was assigned to Scharyiinae by Owens (1978), Thomas and Owens (1978); to Rorringtoniinae by Owens and Hammann (1990); to Proetida by Sepkoski (2002); and to Rorringtoniidae by Jell and Adrain (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1925 | Isbergia Warburg |
| 1978 | Isbergia Owens |
| 1978 | Isbergia Thomas and Owens p. 76 |
| 1990 | Isbergia Owens and Hammann |
| 2002 | Isbergia Jell and Adrain p. 388 |
| 2002 | Isbergia Sepkoski |
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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. †Isbergia Warburg 1925
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†Isbergia parvula Warburg 1925
†Isbergia planifrons Warburg 1925
†Isbergia virginica Cooper 1953
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Fortey and Owens 1999, Aberhan et al. 2004 | |||||
Age range: base of the Soudleyan to the top of the Llandovery or 458.20000 to 432.90000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Stairsian - Whiterockian | USA (Nevada) | I. sp. (281) | |
| Soudleyan - Marshbrookian | China (Hubei) | I. sp. (4691) | |
| Katian | Sweden (Dalarna) | I. planifrons, I. parvula (89486 124939) | |
| Katian - Hirnantian | Sweden (Dalarne) | I. planifrons (73413) | |
| Pirgu | Sweden | I. planifrons (161779) | |
| Pirgu - Hirnantian | Sweden (Dalarne) | I. planifrons (73409) | |
| Cautleyan - Hirnantian | Ireland | I. planifrons (161780) | |
| Rawtheyan | Norway (Ringerike) | I. planifrons (73493) | |
| Hirnantian | Sweden (Dalarne) | I. planifrons (73410) | |
| Llandovery | Canada (Quebec) | I. sp. (13133) |