| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Proraster
Taxonomy
Proraster is a genus. It is not extant.
It was assigned to Schizasteridae by Fischer (1966), Smith (1995); and to Spatangoida by Sepkoski (2002).
It was assigned to Schizasteridae by Fischer (1966), Smith (1995); and to Spatangoida by Sepkoski (2002).
Synonymy list
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan 1992, Kiessling 2004 | |||||
Age range: base of the Late/Upper Albian to the top of the Late/Upper Maastrichtian or 106.30000 to 66.00000 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Albian | USA (Texas) | Hemiaster dalli (187292) | |
| Early/Lower Campanian | USA (Texas) | P. dalli (78197) | |
| Early/Lower Campanian - Middle Campanian | USA (Texas) | P. dalli (3611 78196 197714 197715 197716) | |
| Middle Campanian | USA (Texas) | P. dalli (3632) | |
| Late/Upper Campanian - Early/Lower Maastrichtian | Spain | P. geayi (3772) | |
| Late/Upper Maastrichtian | USA (Texas) | P. dalli (4514 4517 197652) |