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Schizophoria (Schizophoria) impressa
Taxonomy
Orthis impressa was named by Hall (1843) [Type last designated Orthis (Schizophoria) iowensis by Hall and Clarke, 1892].
It was recombined as Orthis (Schizophoria) impressa by Calvin (1897); it was recombined as Schizophoria (Schizophoria) impressa by Stigall Rode (2005).
It was recombined as Orthis (Schizophoria) impressa by Calvin (1897); it was recombined as Schizophoria (Schizophoria) impressa by Stigall Rode (2005).
Sister species lacking formal opinion data
S. allani, S. athabaskensis, S. athabaskiensis, S. bisinuata, S. blankenheimensis, S. compacta, S. connivens, S. fascicostella, S. fecunda, S. fossula, S. fragilis, S. latisulcata, S. lianghetangensis, S. mayesensis, S. mcfarlanei, S. multistriata, S. nevadensis, S. protonevadensis, S. runegatensis, S. shubarica, S. similis, S. striatula, S. texana, S. athabaskensis
Synonymy list
Year | Name and author |
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1843 | Orthis impressa Hall |
1884 | Orthis impressa Walcott p. 115 figs. Plate xiii, fig. 13 |
1897 | Orthis (Schizophoria) impressa Calvin p. 167 |
2005 | Schizophoria (Schizophoria) impressa Stigall Rode pp. 139, 142-143 |
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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.
†Schizophoria (Schizophoria) impressa Hall 1843
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
References: Hendy 2009, Nesnidal et al. 2013, Aberhan et al. 2004 |
Collections (45 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Niagaran | USA (Ohio) | Schizophoria impressa (475) | |
Givetian | USA (New York) | Schizophoria impressa (96363 96364) | |
Givetian - Frasnian | USA (New York) | Schizophoria impressa (54796) | |
Frasnian | USA (West Virginia) | Schizophoria impressa (54238) | |
Frasnian | USA (New York) | Schizophoria impressa (10207 10215 10217 10220 10233 10322 10323 14253 14258 54244 54277 54400 54469 54501 54509 54517 54534 54582 54586 54702 54731 54882 54896 54966 54967 54969 54970 54971 76167) | |
Frasnian | USA (Iowa) | Schizophoria impressa (6251 6253 54406) | |
Frasnian | USA (Pennsylvania) | Schizophoria impressa (54273 54274 54504) | |
Frasnian | USA (Virginia) | Schizophoria impressa (54968) | |
Famennian | USA (Pennsylvania) | Schizophoria impressa (54511) | |
Famennian | USA (New York) | Schizophoria impressa (54260 54609 54871) |