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Silfonocrinus
Taxonomy
Silfonocrinus was named by Ausich (1986) [Sepkoski's age data: S Ldov-m]. It is not extant.
It was assigned to Diplobathrida by Sepkoski (2002); and to Opsiocrinidae by Cole and Toom (2019).
It was assigned to Diplobathrida by Sepkoski (2002); and to Opsiocrinidae by Cole and Toom (2019).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1986 | Silfonocrinus Ausich |
| 2002 | Silfonocrinus Sepkoski |
| 2019 | Silfonocrinus Cole and Toom p. 601 |
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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. †Silfonocrinus Ausich 1986
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan 1992, Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: Aeronian or 440.50000 to 438.60000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Llandovery | USA (Ohio) | S. siluricus (13337) | |
| Aeronian | USA (Ohio) | S. siluricus (22964) |