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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Xenosynechodontidae
Taxonomy
Xenosynechodontidae was named by Gluckman (1980). It is not extant.
It was assigned to Xenacanthiformes by Gluckman (1980).
It was assigned to Xenacanthiformes by Gluckman (1980).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1980 | Xenosynechodontidae Gluckman |
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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.
Fm. †Xenosynechodontidae Gluckman 1980
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988, Wagner 2023 | |||||
Age range: base of the Urzhumian to the top of the Late/Upper Severodvinian or 266.90000 to 259.51000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Urzhumian | Russian Federation (Orenburg) | Xenosynechodus egloni (196109) | |
| Wordian | Russian Federation | Xenosynechodus sp. (197593 197594 197595) | |
| Tatarian | Russian Federation (Orenburg) | Xenosynechodus egloni (196110) Xenosynechodus sp. (196160 196164) Xenosynechodus sp., Xenosynechodus egloni (196107) | |
| Early/Lower Severodvinian | Russian Federation (Vologda) | Xenosynechodus egloni (233365) | |
| Late/Upper Severodvinian | Russian Federation (Vologda) | Xenosynechodus egloni (233371) Xenosynechodus sp. (233375) |