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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Sphenophragmus
Taxonomy
Sphenophragmus is a genus. It is not extant.
It was assigned to Draboviinae by Williams et al. (2000); and to Orthida by Sepkoski (2002).
It was assigned to Draboviinae by Williams et al. (2000); and to Orthida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2000 | Sphenophragmus Williams et al. p. 831 |
| 2002 | Sphenophragmus 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. †Sphenophragmus
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: Givetian or 387.95000 to 382.31000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Givetian | USA (New York) | S. nanus (96214) | |
| Givetian | USA (Michigan) | S. nanus (38475 38476 94446 96304) | |
| Givetian | USA (Ohio) | S. nanus (38457 38468 38469) |