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Taxonomy
Asaphus (Isotelus) iowensis was named by Owen (1852).
It was recombined as Isotelus iowaensis by Bolton (2000); it was recombined as Isotelus iowensis by Raymond and Narraway (1910), Raymond (1925), Amati (2014).
It was recombined as Isotelus iowaensis by Bolton (2000); it was recombined as Isotelus iowensis by Raymond and Narraway (1910), Raymond (1925), Amati (2014).
Synonymy list
| Year | Name and author |
|---|---|
| 1852 | Asaphus (Isotelus) iowensis Owen figs. table 2, fig. 3 – 5; table 2A, figs. 1 – 7 |
| 1910 | Isotelus iowensis Raymond and Narraway figs. pl. 15, fig. 3 |
| 1925 | Isotelus iowensis Raymond p. 97 |
| 2000 | Isotelus iowaensis Bolton |
| 2014 | Isotelus iowensis Amati pp. 17 - 18 figs. Pl. 12, Figs. 2, 3 |
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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.
†Isotelus iowensis Owen 1852
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order, c = class | |||||
| References: Hendy et al. 2009, Aberhan et al. 2004, Hendy 2009 | |||||
Age range: base of the Turinian to the top of the Richmondian or 457.30000 to 445.50000 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Turinian | Canada (Ontario) | Isotelus iowensis (26191) | |
| Turinian | USA (Missouri) | Isotelus iowensis (175724) | |
| Kirkfieldian | Canada (Ontario) | Isotelus iowensis (26192) | |
| Chatfieldian | Canada (Ontario) | Isotelus iowensis (26263 26270 26271) | |
| Chatfieldian - Edenian | Canada (Nunavut) | Isotelus iowaensis (192339) Isotelus iowensis (24116) | |
| Edenian | USA (Illinois, Iowa) | Isotelus iowensis (23809) | |
| Edenian - Maysvillian | USA (Minnesota) | Isotelus iowensis (23282) | |
| Edenian - Maysvillian | USA (Illinois, Iowa) | Isotelus iowensis (23810) | |
| Richmondian | USA (Michigan) | Isotelus iowaensis (353) |