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Yunnanozoon
Taxonomy
Yunnanozoon was named by Hou et al. (1991) [Sepkoski's age data: Cm Atda-u Sepkoski's reference number: 1226]. Its type is Yunnanozoon lividum.
It was assigned to Cephalochordata by Sepkoski (2002); to Bilateria by Cong et al. (2015); and to Chordata by Mussini et al. (2024).
It was assigned to Cephalochordata by Sepkoski (2002); to Bilateria by Cong et al. (2015); and to Chordata by Mussini et al. (2024).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1991 | Yunnanozoon Hou et al. |
| 1999 | Haikouella Chen et al. |
| 2002 | Yunnanozoon Sepkoski |
| 2015 | Yunnanozoon Cong et al. p. 62 |
| 2024 | Yunnanozoon Mussini 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.
G. †Yunnanozoon Hou et al. 1991
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†Yunnanozoon lividum Hou et al. 1991
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Invalid names: Haikouella jianshanensis Shu et al. 2003 [synonym], Haikouella lanceolata Chen et al. 1999 [synonym]
Invalid names: Haikouella Chen et al. 1999 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus | |||||
| Reference: Bambach et al. 2007 | |||||
Age range: Atdabanian or 521.00000 to 516.00000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Atdabanian | China (Yunnan) | Haikouella lanceolata (90134) Haikouella lanceolata, Haikouella jianshanensis (68083) Y. sp., Haikouella sp. (86930) |