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Bergstroemognathus
Taxonomy
Bergstroemognathus was named by Serpagli (1974) [Sepkoski's age data: O Aren-l Sepkoski's reference number: 867].
It was assigned to Rhipidognathidae by Zhen et al. (2001) and Pyle and Barnes (2002); and to Conodontophorida by Sepkoski (2002).
It was assigned to Rhipidognathidae by Zhen et al. (2001) and Pyle and Barnes (2002); and to Conodontophorida by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1974 | Bergstroemognathus Serpagli |
| 2001 | Bergstroemognathus Zhen et al. p. 193 |
| 2002 | Bergstroemognathus Pyle and Barnes p. 110 |
| 2002 | Bergstroemognathus 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. †Bergstroemognathus Serpagli 1974
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Aberhan 1992 | |||||
Age range: base of the Bendigonian to the top of the Arenig or 474.90000 to 466.00000 Ma
Collections (26 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ibexian | USA (New York) | B. extensus (64618) | |
| Tulean - Blackhillsian | Argentina | B. extensus (204144) | |
| Dawan | China (JiangSu) | B. sp. (7923) | |
| Arenig | Norway (Spitsbergen) | B. sp. (141549) | |
| Arenig | China (Hubei) | B. sp. (4721 4722 4723 4724 4726) | |
| Arenig | Argentina | B. sp. (8744 8751) | |
| Arenig | China (HeBei) | B. sp. (7963) | |
| Floian | Malaysia | B. sp. (186491) | |
| Floian | China (Hunan) | B. extensus (226639) | |
| Floian | New Zealand (Maruia) | B. extensus (204052) | |
| Floian | China (Anhui) | B. extensus (203692 203693) | |
| Bendigonian | Australia (Western Australia) | B. extensus (157159 157178 157186) | |
| Blackhillsian | Argentina | B. extensus (204198) | |
| Blackhillsian | Canada (British Columbia) | B. extensus (177738) | |
| Dapingian | Iran | B. extensus (116506) B. sp. (116507) | |
| Middle Ordovician | Malaysia | B. sp. A (186202) | |
| Darriwilian | Australia (Western Australia) | B. extensus (211026) |