| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Syndielasma
Taxonomy
Syndielasma was named by Cooper (1956) [Sepkoski's age data: O Llvi-l Sepkoski's reference number: 1,878]. It is the type genus of Syndielasmatidae.
It was assigned to Isophragmatinae by Neuman and Bruton (1974); to Syndielasmatidae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
It was assigned to Isophragmatinae by Neuman and Bruton (1974); to Syndielasmatidae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1956 | Syndielasma Cooper |
| 1974 | Syndielasma Neuman and Bruton |
| 2000 | Syndielasma Williams et al. p. 319 |
| 2002 | Syndielasma Sepkoski |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the to the top of the Early/Lower Llanvirn or 470.30000 to 461.10000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Rangerian | USA (Nevada) | S. biseptatum (104448 104460) | |
| Whiterockian | USA (Nevada) | S. biseptatum (104449) S. sp. (14232) | |
| Early/Lower Llanvirn | Norway (Trøndelag) | S. biseptatum (191062) | |
| Llanvirn | Ireland | S. sp. (381) |