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Actinostroma expansum
Taxonomy
Stromatopora expansa was named by Hall and Whitfield (1873).
It was recombined as Actinostroma expansum by Stearn (1996).
It was recombined as Actinostroma expansum by Stearn (1996).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1873 | Stromatopora expansa Hall and Whitfield |
| 1996 | Actinostroma expansum Stearn p. 200 figs. 2.4, 2.6, 3.1, 3.2 |
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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.
†Actinostroma expansum Hall and Whitfield 1873
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Middle Givetian to the top of the Early/Lower Frasnian or 383.00000 to 382.40000 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Givetian | Morocco | Actinostroma expansum (74491) | |
| Givetian | Vietnam | Actinostroma expansum (83322) | |
| Givetian | China (Guangxi) | Actinostroma expansum (82073) | |
| Givetian | Poland | Actinostroma expansum (83035) | |
| Givetian - Frasnian | Poland | Actinostroma expansum (82920) | |
| Early/Lower Frasnian | Canada (Manitoba) | Actinostroma expansum (3638) | |
| Middle Givetian | Canada (Manitoba) | Actinostroma expansum (3636) | |
| Frasnian | Poland | Actinostroma expansum (82611 82900) |