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Quadrotheca shipaiensis
Taxonomy
Quadrotheca shipaiensis was named by Qian et al. (1979). It is not extant. Its type locality is Tianzhushan, upper bed, which is in a Meishucunian marine phosphorite in the Huangshandong Formation of China.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1979 | Quadrotheca shipaiensis Qian et al. |
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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.
†Quadrotheca shipaiensis Qian et al. 1979
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, p = phylum | |||||
| References: Hendy et al. 2009, d'Eichwald 1840 | |||||
Age range: Meishucunian or 530.70000 to 521.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Meishucunian | China (Hubei) | Quadrotheca shipaiensis (type locality: 107634) |