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Calliphylloceras nizinanum
Taxonomy
Calliphylloceras nizinanum was named by Imlay (1960). Its type specimen is USNM 130138, a shell, and it is a 3D body fossil. Its type locality is Alaska, Kennicott Formation, USGS Mes. loc. 9492, which is in an Albian marginal marine sandstone in Alaska.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1960 | Calliphylloceras nizinanum Imlay p. 99 figs. pl. 11, figs. 6-12 |
| 1972 | Calliphylloceras nizinanum McLearn p. 21 |
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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.
†Calliphylloceras nizinanum Imlay 1960
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 23.9 | 19.0 | 30.0 | 24.5 | 7.78 | |
| shell diameter | 2 | 39.0 | 33.0 | 46.0 | 39.5 | 9.19 | |
| shell inflation | 2 | 3.46 | 3.00 | 4.00 | 3.50 | 0.707 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004, Hendy et al. 2009 | |||||
Age range: Early/Lower Albian or 112.03000 to 109.00000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Albian | USA (Alaska) | Calliphylloceras nizinanum (type locality: 38516) | |
| Albian | Canada (British Columbia) | Calliphylloceras nizinanum (87474 87491) | |
| Early/Lower Albian | Canada (British Columbia) | Calliphylloceras nizinanum (87497 87501) | |
| Early/Lower Albian | USA (Alaska) | Calliphylloceras nizinanum (88627) |