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Densastroma pexisum
Taxonomy
Actinostroma pexisum was named by Yavorsky (1929).
It was recombined as Densastroma pexisum by Nestor (1966).
It was recombined as Densastroma pexisum by Nestor (1966).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1929 | Actinostroma pexisum Yavorsky |
| 1966 | Densastroma pexisum Nestor |
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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.
†Densastroma pexisum Yavorsky 1929
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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 Sheinwoodian to the top of the Lochkovian or 433.40000 to 410.80000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Jaani | Estonia (Saare) | Densastroma pexisum (195596) | |
| Sheinwoodian | Sweden | Densastroma pexisum (77410 198679) | |
| Jaagarahu | Estonia (Saare) | Densastroma pexisum (195600) | |
| Ludfordian | Sweden | Densastroma pexisum (34407) | |
| Pridoli - Lochkovian | USA (Virginia) | Densastroma pexisum (79380) | |
| Lochkovian | USA (New York) | Densastroma pexisum (9318) |