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Ancyrognathus triangularis
Taxonomy
Ancyrognathus triangularis was named by Youngquist (1945).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1945 | Ancyrognathus triangularis Youngquist |
| 1962 | Ancyrognathus triangularis Ethington and Furnish p. 1263 figs. Pl 172, figs 9,10 |
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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.
†Ancyrognathus triangularis Youngquist 1945
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Carroll 1988, Aberhan 1992 | |||||
Age range: base of the Middle Frasnian to the top of the Late/Upper Frasnian or 379.00000 to 372.15000 Ma
Collections (17 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Frasnian | Germany | Ancyrognathus triangularis (228002 228009 228477 228478 228479 228558) | |
| Frasnian | Morocco | Ancyrognathus triangularis (152968 152983) | |
| Frasnian | Portugal | Ancyrognathus triangularis (199545) | |
| Frasnian | Canada (Ontario) | Ancyrognathus triangularis (40052) | |
| Frasnian | Spain (Aragon) | Ancyrognathus triangularis (40449) | |
| Middle Frasnian | China (Guangxi) | Ancyrognathus triangularis (13005 13006) | |
| Late/Upper Frasnian | France (Alsace) | Ancyrognathus triangularis (38675) | |
| Late/Upper Frasnian | China (Guangxi) | Ancyrognathus triangularis (12962 12967) | |
| Late/Upper Frasnian | Western Sahara | Ancyrognathus triangularis (209257) |