| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Nasakia
Taxonomy
Nasakia was named by Streng et al. (2016). It is not extant. Its type is Nasakia thulensis.
It was assigned to Tomteluvidae by Streng et al. (2016).
It was assigned to Tomteluvidae by Streng et al. (2016).
Species
N. thulensis (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2016 | Nasakia Streng et al. p. 288 |
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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
| Reference | Diagnosis | |
|---|---|---|
| M. Streng et al. 2016 | Tomteluvid with smooth exterior shell surface lacking radial ornamentation; only ornamentation consists of fine, regularly spaced concentric fila. Shell transversely oval in outline with unisulcate anterior commissure. Ventral valve with long, slender, anteriorly curved umbo, typically longitudinally compressed. Ventral interarea
procline with narrow deltidium. |
Measurements
No measurements are available
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| Source: c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: Middle Cambrian or 509.00000 to 497.00000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Cambrian | Greenland | N. thulensis (193552 193553 193554 193555 193556) |