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Paucicrura quadrata
Taxonomy
Onniella quadrata was named by Wang (1949).
It was recombined as Paucicrura quadrata by Howe (1988).
It was recombined as Paucicrura quadrata by Howe (1988).
Subspecies
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1949 | Onniella quadrata Wang p. 38 figs. Pl. 12, figs. Cl-8. |
| 1965 | Onniella quadrata Howe p. 244 |
| 1973 | Paucicrura oklahomensis Alberstadt p. 38 figs. Pl. 4, figs. 11-14 |
| 1988 | Paucicrura quadrata Howe pp. 206 - 207 figs. 5, 6.4, 6.7, 6.8 |
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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.
†Paucicrura quadrata Wang 1949
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†Onniella quadrata variata Howe 1965
Invalid names: Paucicrura oklahomensis Alberstadt 1973 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Williams et al. 2000, Hendy et al. 2009, Aberhan et al. 2004 | |||||
Age range: Richmondian or 449.60000 to 445.50000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Ordovician | USA (California) | Onniella quadrata (226247 226249) | |
| Katian | USA (Oklahoma) | Paucicrura oklahomensis (10753 55505 55507 55508) | |
| Maysvillian - Richmondian | USA (Minnesota) | Onniella quadrata (357 192175) | |
| Richmondian | USA (Tennessee) | Paucicrura quadrata (13496) | |
| Richmondian | USA (Iowa) | Onniella quadrata (13260) |