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Healdianella beichuanensis
Taxonomy
Healdianella beichuanensis was named by Xie (1989). It is a 3D body fossil. Its type locality is Tongkou section, Beichuan, sample BTG5, which is in a Griesbachian carbonate limestone in the Feixianguan Formation of China.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1989 | Healdianella beichuanensis Xie p. 216 figs. Pl 38, figs 21-23 |
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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.
†Healdianella beichuanensis Xie 1989
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| carapace height | 1 | 0.450 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Jell and Adrain 2002 | |||||
Age range: Griesbachian or 251.90200 to 250.50000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Griesbachian | China (Sichuan) | Healdianella beichuanensis (type locality: 148520) |