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Hemiaster (Bolbaster)
Taxonomy
Bolbaster was named by Pomel (1869). Its type is Spatangus prunella.
It was reranked as Hemiaster (Bolbaster) by Fischer (1966) and McNamara (1987).
It was assigned to Pycnasterides by Pomel (1869); and to Hemiaster by Fischer (1966) and McNamara (1987).
It was reranked as Hemiaster (Bolbaster) by Fischer (1966) and McNamara (1987).
It was assigned to Pycnasterides by Pomel (1869); and to Hemiaster by Fischer (1966) and McNamara (1987).
Subtaxa
Species lacking formal opinion data
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.
Subg. †Hemiaster (Bolbaster) Pomel 1869
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†Hemiaster (Bolbaster) callidus McNamara 1987
†Hemiaster (Bolbaster) dolosus McNamara 1987
†Hemiaster (Bolbaster) planedeclivis Gregory 1890
†Hemiaster (Bolbaster) prunella Lamarck 1816
†Hemiaster (Bolbaster) subidus McNamara 1987
†Hemiaster (Bolbaster) verecundus McNamara 1987
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Kiessling 2004, Aberhan 1992 | |||||
Age range: base of the Maastrichtian to the top of the Langhian or 72.10000 to 13.82000 Ma
Collections (31 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Senonian - Paleocene | Netherlands (Limburg) | Hemiaster prunella (31455) | |
| Early/Lower Campanian | France | Bolbaster sp. (59776) | |
| Late/Upper Campanian | France (Landes) | Bolbaster cotteaui (214203) | |
| Maastrichtian | Spain (Santander) | Hemiaster prunella (157004 157005 157006 157007 157008 157021 157022) | |
| Early/Lower Maastrichtian | Belgium (Liege) | Hemiaster prunella (32158) | |
| Early/Lower Maastrichtian | Spain (Cataluña) | Hemiaster prunella (67004) | |
| Late/Upper Maastrichtian | Netherlands | Hemiaster prunella (3123 32161) | |
| Late/Upper Maastrichtian | Netherlands (Limburg) | Hemiaster prunella (32159 32167 67134) | |
| Late/Upper Maastrichtian | Belgium (Liege) | Hemiaster prunella (32153) | |
| Late/Upper Maastrichtian - Maastrichtian | Netherlands | Hemiaster prunella (32162) | |
| Late/Upper Maastrichtian - Danian | Netherlands | Hemiaster prunella (32160) | |
| Late/Upper Maastrichtian - Danian | Netherlands (Limburg) | Hemiaster prunella (32166 32169) | |
| Middle Eocene - Late/Upper Eocene | Australia (South Australia) | Hemiaster subidus (48443) | |
| Early/Lower Oligocene | Australia (South Australia) | Hemiaster subidus (90084 90085) | |
| Chattian | Australia (South Australia) | Hemiaster subidus (50070) | |
| Early/Lower Miocene | Australia (Victoria) | Hemiaster verecundus (72230) | |
| Early/Lower Miocene - Middle Miocene | Australia (South Australia) | Hemiaster planedeclivis (90086) | |
| Langhian | Australia (South Australia) | Hemiaster planedeclivis (88322) | |
| Middle Miocene | Australia (Victoria) | Hemiaster callidus (72231) Hemiaster planedeclivis (72197) |