| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Helenathyridinae
Taxonomy
Helenathyridinae was named by Dagys (1974). Its type is Helenathyris.
It was assigned to Athyrididae by Williams et al. (2002).
It was assigned to Athyrididae by Williams et al. (2002).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1974 | Helenathyridinae Dagys p. 154 |
| 2002 | Helenathyridinae Williams et al. p. 1522 |
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.
Subfm. †Helenathyridinae Dagys 1974
show all | hide all
G. †Biernatella
G. †Eobiernatella
G. †Helenathyris
G. †Sphaerathyris
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Early/Lower Frasnian to the top of the Late/Upper Frasnian or 382.31000 to 372.15000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Frasnian | Poland | Biernatella lentiformis (219861) | |
| Frasnian | Poland | Biernatella polonica (35420) | |
| Late/Upper Frasnian | Belgium | Neptunathyris buxi (92831) |