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Cirroceras conradi
Taxonomy
Ammonoceratites conradi was named by Morton (1841). It is the type species of Cirroceras.
It was recombined as Cirroceras conradi by Kennedy et al. (2000).
It was recombined as Cirroceras conradi by Kennedy et al. (2000).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1841 | Ammonoceratites conradi Morton p. 109 |
| 1861 | Helicoceras navarroensis Shumard p. 190 |
| 1990 | Didymoceras navarroensis Zaborski p. 566 |
| 1993 | Didymoceras navarroense Kennedy and Cobban p. 421 |
| 2000 | Cirroceras conradi Kennedy et al. p. 11 figs. Pl 1, figs 29-37; pl 5, figs 1-6; text-fig 9 |
| 2000 | Didymoceras navarroensis Kennedy et al. p. 7 |
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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.
†Cirroceras conradi Morton 1841
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Invalid names: Helicoceras navarroensis Shumard 1861 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Late/Upper Campanian to the top of the Maastrichtian or 83.60000 to 66.00000 Ma
Collections (19 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian | USA (Colorado) | Cirroceras conradi (90153 90154 178348 178528 178529 178530 178532 178533 178537 178539 178540) | |
| Late/Upper Campanian | USA (Arkansas) | Didymoceras navarroense (83036 83037 83041 83045 83046 83051) | |
| Early/Lower Maastrichtian | Nigeria | Didymoceras navarroense (70970) | |
| Maastrichtian | USA (New Jersey) | Cirroceras conradi (83064) |