| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
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
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 Whiterockian to the top of the Volkhov or 470.00000 to 469.20000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Volkhov | Sweden (Bornholm) | Nileus orbiculatoides (173564 173600 173625 173626) | |
| Volkhov | Sweden | Nileus orbiculatoides (198122 198126) | |
| Whiterockian | Norway (Spitsbergen) | Nileus orbiculatoides (106478) |