| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Callispirina rotunda
Taxonomy
Callispirina rotunda was named by Cooper and Grant (1976). Its type specimen is USNM 153495a, a shell (Articulated shell), and it is not a trace fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Callispirina rotunda Cooper and Grant p. 2743 figs. Pl 705, figs 66-82 |
| 2022 | Callispirina rotunda Viaretti et al. p. 686 figs. Pl 6, fig 5 |
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.
†Callispirina rotunda Cooper and Grant 1976
show all | hide all
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 8.94 | 7.00 | 14.0 | 7.30 | 3.96 |
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Kungurian to the top of the Capitanian or 279.30000 to 259.51000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kungurian | Oman | Callispirina rotunda (127506) | |
| Capitanian | USA (Texas) | Callispirina rotunda (102618) |