| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Freja was named by Liljedahl (1984) [Sepkoski's age data: S Wenl-u Sepkoski's reference number: ZR84]. It is not extant.
It was assigned to Nuculoida by Sepkoski (2002); and to Frejidae by Ratter and Cope (1998) and Bouchet et al. (2010).
It was assigned to Nuculoida by Sepkoski (2002); and to Frejidae by Ratter and Cope (1998) and Bouchet et al. (2010).
Synonymy list
| Year | Name and author |
|---|---|
| 1984 | Freja Liljedahl p. 36 |
| 1998 | Freja Ratter and Cope p. 976 |
| 2002 | Freja Sepkoski |
| 2010 | Freja Bouchet et al. |
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. †Freja Liljedahl 1984
show all | hide all
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|||||
|
|
||||
|
|
||||
| Source: superf = superfamily, o = order, c = class | |||||
| References: Hendy et al. 2009, Aberhan et al. 2004 | |||||
Age range: base of the Homerian to the top of the Ludfordian or 430.50000 to 423.00000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Homerian | Sweden (Gotland) | F. fecunda (13851) | |
| Gorstian | Sweden (Gotland) | F. nodosa (13603) | |
| Ludfordian | Sweden (Gotland) | F. nodosa (70432) |