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Phillipsia peroccidens
Taxonomy
Proetus peroccidens was named by Hall and Whitfield (1877).
It was recombined as Griffithides peroccidens by Chilingar and Bissell (1957); it was recombined as Phillipsia peroccidens by Girty (1904) and Brezinski (2017).
It was recombined as Griffithides peroccidens by Chilingar and Bissell (1957); it was recombined as Phillipsia peroccidens by Girty (1904) and Brezinski (2017).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1877 | Proetus peroccidens Hall and Whitfield p. 262 figs. pl. 4, figs. 28–32 |
| 1904 | Phillipsia peroccidens Girty p. 49 figs. pl. 10, fig. 22 |
| 1957 | Griffithides peroccidens Chilingar and Bissell p. 2264 |
| 1963 | Phillipsia tuberculata Hessler figs. pl. 61, figs. 3–5 |
| 1969 | Phillipsia tuberculata Chamberlain pp. 47 - 48 figs. pl. 11, fig. 20–25 |
| 2017 | Phillipsia peroccidens Brezinski pp. 169 - 170 fig. 3A–L |
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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.
†Phillipsia peroccidens Hall and Whitfield 1877
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Invalid names: Phillipsia tuberculata Hessler 1963 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. K. Brezinski 2017 | Pygidium of moderate vaulting, 12 ribs, and 16 rings. Pygidial margin flat. Rings exhibit two longitudi- nal rows of tubercles that when viewed in profile give the axis a subtrapezoidal cross-section. Pleural fields strongly arched in transverse profile, thus accentuating the depth of the dorsal furrow and reducing the height of the axis. |
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Aberhan et al. 2004, Fortey and Owens 1999, Whittington et al. 1997 | |||||
Age range: Kinderhookian or 358.90000 to 352.00000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kinderhookian | USA (Utah) | Phillipsia peroccidens (218919) | |
| Kinderhookian - Osagean | USA (Nevada) | Griffithides peroccidens (5751) |