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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