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Hormotoma subangulata
Taxonomy
Hormotoma subangulata was named by Ulrich and Scofield (1897). It is not extant.
Synonymy list
| Year | Name and author |
|---|---|
| 1897 | Hormotoma subangulata Ulrich and Scofield |
| 1923 | Hormotoma subangulata Foerste p. 80 |
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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.
†Hormotoma subangulata Ulrich and Scofield 1897
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subg = subgenus, o = order | |||||
| References: Aberhan et al. 2004, Hendy 2009, Bambach et al. 2007 | |||||
Age range: Turinian or 457.30000 to 453.80000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Turinian | Canada (Quebec) | Hormotoma subangulata (174157) | |
| Blackriveran | USA (Illinois, Iowa) | Hormotoma subangulata (23617 23619 23620) | |
| Blackriveran | USA (Minnesota) | Hormotoma subangulata (23555) | |
| Blackriveran - Rocklandian | USA (Minnesota) | Hormotoma subangulata (23557) | |
| Rocklandian | USA (Minnesota) | Hormotoma subangulata (154413) | |
| Shermanian | USA (Minnesota) | Hormotoma subangulata (23092) |