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Kionoceras decorahense
Taxonomy
Kionoceras decorahense was named by Flower (1952). Its type specimen is a specimen in the NYSM, a shell, and it is a cast. Its type locality is Decorah, which is in a Blackriveran/Kirkfieldian deep subtidal shelf claystone/limestone in the Decorah shale Formation of Iowa.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1952 | Kionoceras decorahense Flower p. 42 figs. 10 Pl. 6 |
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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.
†Kionoceras decorahense Flower 1952
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: Edenian or 451.00000 to 450.20000 Ma
Collections (16 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Blackriveran - Kirkfieldian | USA (Iowa) | Kionoceras decorahense (type locality: 89042) | |
| Rocklandian - Kirkfieldian | USA (Minnesota) | Kionoceras decorahense (23708) | |
| Shermanian | USA (Illinois, Iowa, Wisconsin) | Kionoceras decorahense (23768 23769 23770 23773 23775 23776 23777) | |
| Shermanian | USA (Minnesota) | Kionoceras decorahense (23711 23717) | |
| Edenian | USA (Minnesota) | Kionoceras decorahense (23724 23738) | |
| Edenian | USA (Illinois, Iowa, Wisconsin) | Kionoceras decorahense (23779 23780) | |
| Edenian - Maysvillian | USA (Minnesota) | Kionoceras decorahense (23741) |