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Macraster
Taxonomy
Macraster was named by Roemer (1888) [Sepkoski's age data: K Apti K Ceno].
It was assigned to Toxasteridae by Fischer (1966); and to Spatangoida by Sepkoski (2002).
It was assigned to Toxasteridae by Fischer (1966); and to Spatangoida by Sepkoski (2002).
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.
G. †Macraster Roemer 1888
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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 Aptian to the top of the Late/Upper Albian or 125.00000 to 99.60000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Aptian | Mexico (Sonora) | M. sp. (82135) | |
| Early/Lower Albian | France | M. sp. (58939) | |
| Early/Lower Albian - Middle Albian | France | M. polygonus (56522) | |
| Middle Albian | France | M. polygonus (38036 56846) M. sp. (58368 58422) | |
| Late/Upper Albian | France | M. polygonus (56552 58527) | |
| Late/Upper Albian | Spain (Alicante) | M. polygonus (38035) | |
| Late/Upper Albian | USA (Texas) | M. nodopyda, M. elegans, M. arguilera (58637) |