Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Xenodiscus koczyrkeviczi
Taxonomy
Xenodiscus koczyrkeviczi was named by Zakharov (1989). Its type specimen is BPI 13/820 and is a 3D body fossil. Its type locality is Severnaya Balka, Sample 550-13, Malaya Laba River, which is in a Changhsingian marine siliciclastic in the Urushten Formation of the Russian Federation.
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1989 | Xenodiscus koczyrkeviczi Zakharov p. 132 figs. Pl 25, figs 13-17 |
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.
†Xenodiscus koczyrkeviczi Zakharov 1989
show all | hide all
Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
---|---|---|---|---|---|---|---|
shell height | 3 | 11.7 | 5.00 | 18.0 | 17.8 | 7.45 | |
shell diameter | 3 | 36.2 | 14.9 | 61.0 | 52.2 | 24.5 |
|
|
||||
|
|
||||
|
|
||||
|
|
||||
Source: o = order, c = class | |||||
References: Kiessling 2003, Kiessling 2004 |
Age range: Changhsingian or 254.17000 to 252.17000 Ma
Collections (8 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Changhsingian | Russian Federation | Xenodiscus koczyrkeviczi (110912 110917 type locality: 110919 110920 110922 110923 110924 110925) |