| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Williriedellum frequens
Taxonomy
Tricolocapsa frequens was named by Tan Sin Hok (1927).
It was recombined as Praezhamoidellum frequens by Hull (1997); it was recombined as Williriedellum frequens by Kiessling (1999).
It was recombined as Praezhamoidellum frequens by Hull (1997); it was recombined as Williriedellum frequens by Kiessling (1999).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1927 | Tricolocapsa frequens Tan Sin Hok |
| 1997 | Praezhamoidellum frequens Hull |
| 1999 | Williriedellum frequens Kiessling |
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.
†Williriedellum frequens Tan Sin Hok 1927
show all | hide all
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|||||
|
|
||||
| Source: p = phylum | |||||
| Reference: Kiessling 1999 | |||||
Age range: base of the Early/Lower Bathonian to the top of the Late/Upper Tithonian or 168.20000 to 143.10000 Ma
Collections (16 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Bathonian | USA (Oregon) | Praezhamoidellum frequens (94149) | |
| Late/Upper Kimmeridgian | Antarctica (Antarctic Peninsula) | Williriedellum frequens (9956) | |
| Late/Upper Kimmeridgian | USA (California) | Praezhamoidellum frequens (50742) | |
| Early/Lower Tithonian | Antarctica | Williriedellum frequens (46962 46964 46965 46966 46967 46971 51826 51827) | |
| Early/Lower Tithonian | USA (California) | Praezhamoidellum frequens (50740 50743 50745) | |
| Late/Upper Tithonian | Antarctica | Williriedellum frequens (46968 46969) |