| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Nileus affinis was named by Billings (1865) [Lectotype selected by Whittington 1963. Includes GSC 720, 720a (formerly Nileus scrutator) according to Whittington 1965.]. Its type specimen is GSC 889a (lectotype), an exoskeleton, and it is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1865 | Nileus affinis Billings p. 275 figs. 261a, b |
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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.
†Nileus affinis Billings 1865
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order, c = class | |||||
| References: Hendy 2009, Hendy et al. 2009, Aberhan et al. 2004 | |||||
Age range: base of the Early/Lower Ordovician to the top of the Whiterockian or 486.85000 to 457.30000 Ma
Collections (17 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Ordovician | Canada (Newfoundland) | Nileus affinis (198245) | |
| Chazyan | Canada (Newfoundland and Labrador) | Nileus affinis (104861) Nileus scrutator (104800) | |
| Whiterockian | Canada (Newfoundland and Labrador) | Nileus affinis (104752 104862 104863 104868 104879 104881 104884 104885) Nileus scrutator (104809 104810 104813 104817 104856 104857) |