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Hexagonaria hexagona
Taxonomy
Cyathophyllum hexagonum was named by Goldfuss (1826).
It was recombined as Hexagoniophyllum hexagonum by Gürich (1909); it was recombined as Hexagonaria hexagona by Gürich (1909).
It was recombined as Hexagoniophyllum hexagonum by Gürich (1909); it was recombined as Hexagonaria hexagona by Gürich (1909).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1826 | Cyathophyllum hexagonum Goldfuss p. 61 figs. . 61, pl. 19, figs. 5e-f; pl. 20, figs. 1 a-b (non pl. 19, figs. 5 a-d) |
| 1851 | Cyathophyllum hexagonum Edwards and Haime p. 382 |
| 1909 | Hexagoniophyllum hexagonum Gürich p. 102 figs. p. 102, pl. 30, figs. 3 a-b |
| 1909 | Hexagonaria hexagona Gürich p. 172 |
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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.
†Hexagonaria hexagona Goldfuss 1826
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Silurian to the top of the Middle Frasnian or 443.10000 to 375.20000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Silurian | USA (California) | Cyathophyllum hexagonum (229257) | |
| Givetian | Kazakhstan | Hexagonaria hexagona (73183) | |
| Late/Upper Givetian - Early/Lower Frasnian | Spain (Asturias) | Hexagonaria hexagona (25436) | |
| Early/Lower Frasnian | Poland | Hexagonaria hexagona (82904) | |
| Middle Frasnian | Germany (Nordrhein-Westfalen) | Hexagonaria hexagona (81746 81747) |