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Xaxexis
Taxonomy
Xaxexis was named by Pagliano and Scaramozzino (1990). Its type is Euryxyela longhuaensis.
It was assigned to Sepulcidae by Zhang and Rasnitsyn (2006); and to Archexyelinae by Taeger et al. (2010).
It was assigned to Sepulcidae by Zhang and Rasnitsyn (2006); and to Archexyelinae by Taeger et al. (2010).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1984 | Euryxyela Hong p. 180 |
| 1990 | Euryxyela Darling and Sharkey p. 124 |
| 1990 | Xaxexis Pagliano and Scaramozzino p. 6 |
| 2006 | Xaxexis Zhang and Rasnitsyn p. 283 |
| 2010 | Xaxexis Taeger et al. p. 670 |
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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. †Xaxexis Pagliano and Scaramozzino 1990
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†Xaxexis longhuaensis Hong 1984
Invalid names: Euryxyela Hong 1984 [replaced]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Bush and Bambach 2015, Kiessling 2004 | |||||
Age range: Late/Upper Barremian or 130.00000 to 125.45000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Barremian | China (Hebei) | Euryxyela longhuaensis (155171) |