Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Semiannuloceras
Taxonomy
Semiannuloceras was named by Evans (2005). Its type is Semiannuloceras abbeyense.
It was assigned to Baltoceratidae by Evans (2005).
It was assigned to Baltoceratidae by Evans (2005).
Species
S. abbeyense (type species)
Synonymy list
Year | Name and author |
---|---|
2005 | Semiannuloceras Evans p. 34 |
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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|
||||
|
|
||||
Source: o = order, c = class | |||||
References: Kiessling 2004, Aberhan et al. 2004 |
Age range: base of the Moridunian to the top of the Whitlandian or 477.10000 to 470.70000 Ma
Collections (4 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Moridunian | United Kingdom (Wales) | S. abbeyense (89426 89430) | |
Moridunian - Whitlandian | United Kingdom (Wales) | S. abbeyense (89427) | |
Whitlandian | United Kingdom (Wales) | S. abbeyense (89428) |