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Stigmacephaloides
Taxonomy
Stigmacephaloides was named by Ellinwood (1962) [Sepkoski's age data: Cm Fran-u Sepkoski's reference number: 379]. It is not extant.
It was assigned to Asaphida by Sepkoski (2002); and to Parabolinoididae by Jell and Adrain (2002).
It was assigned to Asaphida by Sepkoski (2002); and to Parabolinoididae by Jell and Adrain (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1962 | Stigmacephaloides Ellinwood |
| 2002 | Stigmacephaloides Jell and Adrain p. 448 |
| 2002 | Stigmacephaloides Sepkoski |
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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. †Stigmacephaloides Ellinwood 1962
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†Stigmacephaloides curvabilis Bell and Ellinwood 1962
†Stigmacephaloides verticalis Stitt 1977
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Whittington et al. 1997, Aberhan et al. 2004 | |||||
Age range: Sunwaptan or 493.50000 to 488.90000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Franconian | USA (Oklahoma) | S. curvabilis (221075) S. verticalis (221088 221090 221091) | |
| Sunwaptan | USA (Oklahoma) | S. curvabilis (240474 240475 240476 240477) |