| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Helicelasma whittardi
Taxonomy
Streptelasma whittardi was named by Smith (1930).
It was recombined as Helicelasma whittardi by Neuman (1969).
It was recombined as Helicelasma whittardi by Neuman (1969).
Synonymy list
| Year | Name and author |
|---|---|
| 1969 | Helicelasma whittardi Neuman |
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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.
†Helicelasma whittardi Smith 1930
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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: Llandovery or 443.10000 to 432.90000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Llandovery | Russian Federation (Siberia) | Streptelasma whittardi (206306 206319) |