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Illaenurus
Taxonomy
Illaenurus was named by Hall (1863) [Sepkoski's age data: Cm Trep-l Cm Trep-u Sepkoski's reference number: 379,697]. It is not extant.
It was assigned to Illaenidae by Walcott (1916) and Raymond (1916); to Corynexochida by Sepkoski (2002); and to Illaenuridae by Jell and Adrain (2002).
It was assigned to Illaenidae by Walcott (1916) and Raymond (1916); to Corynexochida by Sepkoski (2002); and to Illaenuridae by Jell and Adrain (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1863 | Illaenurus Hall |
| 1916 | Illaenurus Raymond p. 9 |
| 1916 | Illaenurus Walcott p. 404 |
| 2002 | Illaenurus Jell and Adrain p. 387 |
| 2002 | Illaenurus 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. †Illaenurus Hall 1863
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†Illaenurus eurekensis Walcott 1884
†Illaenurus quadratus Hall 1863
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Aberhan et al. 2004, Hendy 2009, Hendy et al. 2009 | |||||
Age range: base of the Trempealeauan to the top of the Sunwaptan or 492.50000 to 487.50000 Ma
Collections (17 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Franconian | USA (Wisconsin) | I. truncatus (233639) | |
| Sunwaptan | USA (Minnesota) | I. quadratus (233636 233637) | |
| Sunwaptan | Canada (Alberta) | I. montanensis, I. priscus, I. holcus, I. quadratus (54093) I. priscus (81303 81307) I. quadratus (81305) | |
| Trempealeauan | USA (South Dakota) | I. priscus (9752 9763 9765 9766) | |
| Trempealeauan | USA (Utah) | I. sp. (259) | |
| Trempealeauan | USA (Wyoming) | I. priscus (9767 9769 9771) | |
| Trempealeauan | USA (Wisconsin) | I. sp. (256) | |
| Trempealeauan | USA (Colorado) | I. quadratus (233788) |