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Holaster
Taxonomy
Holaster was named by Agassiz (1836) [Sepkoski's age data: K Berr-u T Than Sepkoski's reference number: 934,942]. It is the type genus of Holasteridae.
It was assigned to Echinocorythidae by Clark and Twitchell (1915); to Spatangidae by Cooke (1942); to Holasteridae by Cooke (1959), Wagner and Durham (1966) and Shmidt (1976); and to Holasteroida by Sepkoski (2002).
It was assigned to Echinocorythidae by Clark and Twitchell (1915); to Spatangidae by Cooke (1942); to Holasteridae by Cooke (1959), Wagner and Durham (1966) and Shmidt (1976); and to Holasteroida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1836 | Holaster Agassiz p. 183 |
| 1915 | Holaster Clark and Twitchell p. 85 |
| 1942 | Holaster Cooke p. 52 |
| 1959 | Holaster Cooke p. 65 |
| 1966 | Holaster Wagner and Durham p. U528 |
| 1976 | Holaster Shmidt p. 152 |
| 2002 | Holaster Sepkoski |
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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. †Holaster Agassiz 1836
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†Holaster dombeensis de Loriol 1888
†Holaster feralis Cooke 1953
†Holaster indicus Forbes 1846
†Holaster marginalis Agassiz 1836
†Holaster nodulosus Goldfuss 1863
†Holaster simplex Shumard 1853
†Holaster tanamensis Shmidt 1976
Diagnosis
No diagnoses are available