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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Nahannia mediocrisulcata was named by Chatterton and Ludvigsen (1976). Its type specimen is GSC 43356, a cephalon/head (cr), and it is a 3D body fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Nahannia mediocrisulcata Chatterton and Ludvigsen p. 27 figs. Pl. 3, figs. 1-3 |
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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.
†Nahannia mediocrisulcata Chatterton and Ludvigsen 1976
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Hendy 2009, Aberhan et al. 2004, Hendy et al. 2009 | |||||
Age range: base of the Chazyan to the top of the Blackriveran or 471.30000 to 449.60000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chazyan | Canada (Northwest Territories) | Nahannia mediocrisulcata (25935 26054 26055) | |
| Blackriveran | Canada (Northwest Territories) | Nahannia mediocrisulcata (24628) |