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Arctomeekoceras tardum
Taxonomy
Arctomeekoceras tardum was named by Guex et al. (2005). Its type specimen is JGX-521 and is a 3D body fossil. Its type locality is Hammond Creek JGX-BETA-HC1, Bear Lake Valley, which is in a Spathian marine siltstone in the Thaynes Formation of Idaho.
Synonymy list
| Year | Name and author |
|---|---|
| 2005 | Arctomeekoceras tardum Guex et al. p. 6 figs. Pl 4, fig 3 |
| 2010 | Arctomeekoceras tardum Guex et al. p. 73 figs. Pl 40, figs 3-6; pl 58, fig 4 |
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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.
†Arctomeekoceras tardum Guex et al. 2005
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 19.1 | 16.5 | 22.0 | 19.2 | 3.89 | |
| shell diameter | 2 | 38.1 | 33.0 | 44.0 | 38.5 | 7.78 | |
| shell inflation | 2 | 5.98 | 5.50 | 6.50 | 6.00 | 0.707 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||