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Spirolegoceras
Taxonomy
Spirolegoceras was named by Miller et al. (1957) [Sepkoski's age data: P Leon-u]. Its type is Spirolegoceras fischeri. It is the type genus of Spirolegoceratinae.
It was assigned to Goniatitida by Sepkoski (2002); to Spirolegoceratidae by Leonova (2002), Korn (2006); and to Spirolegoceratinae by Furnish et al. (2009).
It was assigned to Goniatitida by Sepkoski (2002); to Spirolegoceratidae by Leonova (2002), Korn (2006); and to Spirolegoceratinae by Furnish et al. (2009).
Species
S. fischeri (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1957 | Spirolegoceras Miller et al. p. 1064 |
| 2002 | Spirolegoceras Leonova |
| 2002 | Spirolegoceras Sepkoski |
| 2006 | Spirolegoceras Korn |
| 2009 | Spirolegoceras Furnish et al. p. 177 |
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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.
G. †Spirolegoceras Miller et al. 1957
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†Spirolegoceras fischeri Miller et al. 1957
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 9 | 8.21 | 2.00 | 16.0 | 9.00 | 4.00 | |
| shell diameter | 9 | 18.4 | 6.50 | 34.0 | 19.2 | 8.40 | |
| shell inflation | 9 | 4.29 | 2.50 | 8.00 | 4.00 | 1.88 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||