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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Polydesmiidae
Taxonomy
Polydesmiidae was named by Kobayashi (1940).
It was assigned to Actinocerida by Teichert et al. (1964), Crick (1981).
It was assigned to Actinocerida by Teichert et al. (1964), Crick (1981).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1940 | Polydesmiidae Kobayashi |
| 1964 | Polydesmiidae Teichert et al. p. 203 |
| 1981 | Polydesmiidae Crick p. 227 |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Aberhan et al. 2004 | |||||
Age range: base of the Arenig to the top of the Late/Upper Llanvirn or 477.10000 to 458.20000 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Dawan | Mongolia | Polydesmia zuezshanensis (157192) | |
| Arenig | China (HeBei) | Polydesmia sp. (7956 7962 7967 7979) | |
| Arenig | China (JiLin) | Ordosoceras sp., Polydesmia sp. (21147) | |
| Arenig | China (LiaoNing) | Ordosoceras sp., Polydesmia sp. (20757) | |
| Arenig | China (ShanDong) | Ordosoceras sp., Polydesmia sp. (20775) | |
| Arenig | China (Tibet) | Ordosoceras sp. (23605) | |
| Arenig | South Korea (Kangweondo (Gangwon-do)) | Polydesmia canaliculata (89515) | |
| Llanvirn | China (HeBei) | Polydesmia sp. (7994) | |
| Late/Upper Llanvirn | China (HeBei) | Polydesmia sp. (7988) |