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Floweria perversa
Taxonomy
Orthis perversa was named by Hall (1857) [Lectotype designated by Stigall (2005)]. Its type specimen is AMNH 37277 and is a 3D body fossil.
It was recombined as Streptorhynchus chemungensis perversa by Hall (1867); it was recombined as Schuchertella perversa by Shimer and Shrock (1944); it was recombined as Eoschuchertella perversa by Linsley (1994); it was recombined as Floweria perversa by Stigall Rode (2005).
It was recombined as Streptorhynchus chemungensis perversa by Hall (1867); it was recombined as Schuchertella perversa by Shimer and Shrock (1944); it was recombined as Eoschuchertella perversa by Linsley (1994); it was recombined as Floweria perversa by Stigall Rode (2005).
Synonymy list
| Year | Name and author |
|---|---|
| 1857 | Orthis perversa Hall p. 137 |
| 1867 | Streptorhynchus chemungensis perversa Hall pp. 72– 73 figs. pl. 9, figs 13–17, 26 |
| 1944 | Schuchertella perversa Shimer and Shrock p. 343 figs. pl. 132, figs 43–45 |
| 1994 | Eoschuchertella perversa Linsley p. 343 figs. pl. 132, figs 43–45 |
| 2005 | Floweria perversa Stigall Rode pp. 164, Table 4 fig. 9.2–9.3 |
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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.
†Floweria perversa Hall 1857
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. L. Stigall Rode 2005 | Large Floweria; cardinal extremities rounded; costae large and subequal, fila present in interspaces; ventral valve subrectangular, interarea low; cardinal process wide. |
Measurements
No measurements are available
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| Source: c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: Middle Devonian or 393.30000 to 382.70000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Devonian | USA (New York) | Eoschuchertella perversa (91091 91215 91234 91237 91239) |