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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Arrhaphoceras (Arrhaphoceras)
Taxonomy
Arrhaphoceras (Arrhaphoceras) was named by Whitehouse (1927).
It was assigned to Arrhaphoceras by Kennedy and Latil (2007) and Kennedy et al. (2008).
It was assigned to Arrhaphoceras by Kennedy and Latil (2007) and Kennedy et al. (2008).
Synonymy list
| Year | Name and author |
|---|---|
| 1927 | Arrhaphoceras (Arrhaphoceras) Whitehouse |
| 2007 | Arrhaphoceras (Arrhaphoceras) Kennedy and Latil p. 462 |
| 2008 | Arrhaphoceras (Arrhaphoceras) Kennedy et al. p. 124 |
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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.
Subg. †Arrhaphoceras (Arrhaphoceras) Whitehouse 1927
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†Arrhaphoceras (Arrhaphoceras) subtetragonum Spath 1928
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 6 | 13.2 | 7.80 | 20.7 | 13.7 | 5.32 | |
| shell diameter | 6 | 26.5 | 16.4 | 42.0 | 26.5 | 11.8 | |
| shell inflation | 6 | 6.25 | 3.40 | 11.8 | 6.55 | 4.08 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Late/Upper Albian or 105.30000 to 99.60000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Albian | Kazakhstan | Arrhaphoceras subtetragonum (175008) | |
| Late/Upper Albian | France | Arrhaphoceras sp. (174489) |