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Flabellitesia kessei
Taxonomy
Hesperorthis kessei was named by Boucot et al. (1988). Its type specimen is USNM 409845, a shell, and it is a 3D body fossil. Its type locality is USNM loc. 12878, Red Amphitheatre, Funeral Mountains, which is in a Wenlock deep subtidal shelf dolomite in the Hidden Valley Formation of California.
It was recombined as Flabellitesia kessei by Jin and Chatterton (1997) and Li and Copper (2006).
It was recombined as Flabellitesia kessei by Jin and Chatterton (1997) and Li and Copper (2006).
Synonymy list
| Year | Name and author |
|---|---|
| 1988 | Hesperorthis kessei Boucot et al. pp. 107 - 108 figs. Pl. 1, figs. 1-16 |
| 1997 | Flabellitesia kessei Jin and Chatterton |
| 2006 | Flabellitesia kessei Li and Copper p. 16 |
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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.
†Flabellitesia kessei Boucot et al. 1988
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. J. Boucot et al. 1988 | Valves with flat brachial valve and closely spaced concentric fila. |
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Hendy 2009, Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Sheinwoodian to the top of the Wenlock or 433.40000 to 427.40000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sheinwoodian | Canada (Northwest Territories) | Flabellitesia kessei (26011) | |
| Sheinwoodian | Canada (Nunavut) | Flabellitesia kessei (26003 26009 26013 26014) | |
| Wenlock | USA (California) | Hesperorthis kessei (226732) | |
| Whitwellian | Canada (Northwest Territories) | Flabellitesia kessei (26035 26042) |