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Xenambonitinae
Taxonomy
Xenambonitinae was named by Cooper (1956). Its type is Xenambonites. It was considered paraphyletic by Benedetto (2012).
It was assigned to Xenambonitidae by Williams et al. (2000); and to Sowerbyellidae by Cooper (1956) and Benedetto (2012).
It was assigned to Xenambonitidae by Williams et al. (2000); and to Sowerbyellidae by Cooper (1956) and Benedetto (2012).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1956 | Xenambonitinae Cooper p. 813 |
| 2000 | Xenambonitinae Williams et al. p. 334 |
| 2012 | Xenambonitinae Benedetto p. 439 |
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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.
Subfm. †Xenambonitinae Cooper 1956
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G. †Metambonites Zhan and Rong 1995
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†Metambonites meritus Rong and Zhan 1995
†Metambonites subcarinatus Popov and Cocks 2006
G. †Synambonites Zhan and Rong 1995
G. †Xenambonites Cooper 1956
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†Xenambonites revelatus Williams 1962
†Xenambonites undosus Cooper 1956
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| G. A. Cooper 1956 | Sowerbyellidae having a small elevated visceral disk. |