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Arctocephalites callomoni
Taxonomy
Arctocephalites callomoni was named by Frebold (1964). Its type specimen is GSC 17647, a shell, and it is a 3D body fossil. Its type locality is GSC 51628, Strand Fiord, Axel Heiberg Island, which is in a Bathonian marine siliciclastic in the McConnell Island Formation of Canada.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1964 | Arctocephalites callomoni Frebold p. 4 figs. Pl 3, figs 1a-2; pl 4, fig 1; pl 5, fig 3; pl 7, fig 3 |
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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.
†Arctocephalites callomoni Frebold 1964
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 50.8 | 43.0 | 60.0 | 51.5 | 12.0 | |
| shell diameter | 2 | 92.0 | 77.0 | 110.0 | 93.5 | 23.3 | |
| shell inflation | 2 | 10.8 | 9.00 | 13.0 | 11.0 | 2.83 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Middle Bathonian or 168.20000 to 165.30000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Bathonian | Canada (Nunavut) | Arctocephalites callomoni (type locality: 236661) |