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Taxonomy
Nileus exarmatus orbiculatoides was named by Schrank (1972).
It was recombined as Nileus orbiculatoides by Fortey (1975).
It was recombined as Nileus orbiculatoides by Fortey (1975).
Subspecies
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1972 | Nileus exarmatus orbiculatoides Schrank |
| 1975 | Nileus orbiculatoides Fortey p. 43 |
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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 orbiculatoides Schrank 1972
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†Nileus orbiculatoides svalbardensis Fortey 1975
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Diagnosis
No diagnoses are available