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Indivisia symmetrica
Taxonomy
Indivisia symmetrica was named by Kozur (1985). Its type specimen is P 1416/Ko 1980 I-508 and is a 3D body fossil. Its type locality is Mályinka-8 borehole, sample Ma 8/28, which is in a Changhsingian carbonate limestone in the Nagyvisnyo Formation of Hungary.
Synonymy list
| Year | Name and author |
|---|---|
| 1985 | Indivisia symmetrica Kozur p. 19 figs. Pl 4, figs 7,8 |
| 1998 | Indivisia symmetrica Crasquin-Soleau figs. Pl 4, fig 10 |
| 2010 | Indivisia symmetrica Crasquin and Forel p. 338 fig. 3L |
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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.
†Indivisia symmetrica Kozur 1985
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| carapace height | 1 | 0.260 | - | - | - | - | |
| valve height | 2 | 0.244 | 0.241 | 0.247 | 0.244 | 0.004 |
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| Source: o = order, c = class | |||||
| References: Alvarez et al. 2008, Kiessling 2004 | |||||
Age range: base of the Asselian to the top of the Changhsingian or 298.90000 to 251.90200 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asselian | Greece | Indivisia symmetrica (112051) | |
| Changhsingian | Serbia | Indivisia symmetrica (112046 112049) | |
| Changhsingian | China (Zhejiang) | Indivisia symmetrica (97890 97893) | |
| Changhsingian | Hungary | Indivisia symmetrica (type locality: 146208) |