| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Hemiaster (Hemiaster) (heart urchin)
Discussion
The subgenus Hemiaster is extinct according to Treatise and WoRMS.
Taxonomy
Hemiaster (Hemiaster) was named by Lambert and Thiéry (1924). Its type is Spatangus bufo.
It was assigned to Hemiaster by Lambert and Thiéry (1924), Fischer (1966), Kier (1984).
It was assigned to Hemiaster by Lambert and Thiéry (1924), Fischer (1966), Kier (1984).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1924 | Hemiaster (Hemiaster) Lambert and Thiéry p. 499 |
| 1966 | Hemiaster (Hemiaster) Fischer p. U558 |
| 1984 | Hemiaster (Hemiaster) Kier p. 17 |
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.
Subg. †Hemiaster (Hemiaster) Lambert and Thiéry 1924 [heart urchin]
show all | hide all
†Hemiaster (Hemiaster) madrugensis Weisbord 1934
†Hemiaster (Hemiaster) siboneyensis Weisbord 1934
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan 1992, Kiessling 2004 | |||||
Age range: base of the Late/Upper Cenomanian to the top of the Early/Lower Cenomanian or 100.50000 to 93.90000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Albian - Cenomanian | Egypt | Hemiaster gabrielis (150737) | |
| Early/Lower Cenomanian | Egypt | Hemiaster cubicus (184769) Hemiaster gabrielis (114872) | |
| Early/Lower Cenomanian - Late/Upper Cenomanian | Egypt | Hemiaster cubicus (114911) | |
| Late/Upper Cenomanian | Egypt | Hemiaster cubicus (114794) |