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Didymelasma
Taxonomy
Didymelasma is a genus. It is not extant.
It was assigned to Parallelelasmatidae by Williams et al. (2002); and to Pentamerida by Sepkoski (2002).
It was assigned to Parallelelasmatidae by Williams et al. (2002); and to Pentamerida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Didymelasma Sepkoski |
| 2002 | Didymelasma Williams et al. p. 958 |
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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.
G. †Didymelasma
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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: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Llanvirn | China (GanSu) | D. sp. (8563) | |
| Soudleyan - Marshbrookian | China (Shaanxi) | D. sp. (8540) | |
| Sandbian | China (Shaanxi) | D. sp. (210632) | |
| Caradoc | Kazakhstan | D. transversa (80210 80261) | |
| Eastonian | Australia (New South Wales) | D. inconspicua (2745 2749 166838 166844 166850) D. sp. (2754) |