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Maclearnoceras ensio
Taxonomy
Maclearnoceras ensio was named by Tozer (1994). Its type specimen is GSC 28794 and is a 3D body fossil. Its type locality is GSC 68236, Boiler Canyon, Liard River, which is in a Longobardian marine siliciclastic in the Toad Formation of Canada.
Synonymy list
Year | Name and author |
---|---|
1994 | Maclearnoceras ensio Tozer p. 161 figs. Pl 79, figs 2-5; text-fig 62a |
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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.
†Maclearnoceras ensio Tozer 1994
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Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
---|---|---|---|---|---|---|---|
shell height | 2 | 9.95 | 9.80 | 10.1 | 9.95 | 0.212 | |
shell diameter | 2 | 19.5 | 19.0 | 20.0 | 19.5 | 0.707 | |
shell inflation | 2 | 3.69 | 3.40 | 4.00 | 3.70 | 0.424 |
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Source: o = order, c = class | |||||
References: Kiessling 2003, Kiessling 2004 |
Age range: Longobardian or 242.00000 to 235.00000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Longobardian | Canada (British Columbia) | Maclearnoceras ensio (type locality: 138616) |