| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Xenasaphus was named by Jaanusson (1953) [Sepkoski's age data: O Llde]. It is not extant. Its type is Asaphus devexus.
It was assigned to Asaphidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
It was assigned to Asaphidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1953 | Xenasaphus Jaanusson |
| 2002 | Xenasaphus Jell and Adrain p. 461 |
| 2002 | Xenasaphus Sepkoski |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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. †Xenasaphus Jaanusson 1953
show all | hide all
Subg. †Xenasaphus (Delphasaphus) Ivantsov 2000
hide
†Xenasaphus (Delphasaphus) delphinus Lawrow 1856
Subg. †Xenasaphus (Xenasaphus) Jaanusson 1953
hide
†Xenasaphus (Xenasaphus) devexus Eichwald 1840
†Xenasaphus (Xenasaphus) mjannili Ivantsov 2000
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
| Source: f = family, o = order, c = class | |||||
| References: Hendy et al. 2009, Aberhan et al. 2004, Hendy 2009 | |||||
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Aseri - Uhaku | Russian Federation (Novgorod Oblast) | X. devexus (235859) |