| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Berckhemeraster
Taxonomy
Berckhemeraster was named by Blake and Hagdorn (2003). It is not extant. Its type is Berckhemeraster charistikos. It was considered monophyletic by Blake and Hagdorn (2003).
It was assigned to Trichasteropsiidae by Blake and Hagdorn (2003); and to Trichasteropsidae by Gale (2011).
It was assigned to Trichasteropsiidae by Blake and Hagdorn (2003); and to Trichasteropsidae by Gale (2011).
Species
B. charistikos (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2003 | Berckhemeraster Blake and Hagdorn p. 46 |
| 2011 | Berckhemeraster Gale p. 102 |
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. †Berckhemeraster Blake and Hagdorn 2003
show all | hide all
†Berckhemeraster charistikos Blake and Hagdorn 2003
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. B. Blake and H. Hagdorn 2003 | Trichasteropsid with arms cylindrical; tips blunt, rounded. Marginal ossicles probably in a single series, robust. Abactinals and actinals numerous, probably approximately equidimensional, tessellated. Dorsal surface not known to be reticulate. Actinals probably digitate. |
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
|
|
||||
| Source: c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Aberhan 1992 | |||||