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Hemiasterina
Taxonomy
Hemiasterina was named by Fischer (1966). It is extant.
It was assigned to Spatangoida by Fischer (1966), Squires (1984), Squires (1987), Parma and Casadío (2005) and Manso and Andrade (2008).
It was assigned to Spatangoida by Fischer (1966), Squires (1984), Squires (1987), Parma and Casadío (2005) and Manso and Andrade (2008).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1966 | Hemiasterina Fischer p. U557 |
| 1984 | Hemiasterina Squires p. 56 |
| 1987 | Hemiasterina Squires p. 72 |
| 2005 | Hemiasterina Parma and Casadío p. 1080 |
| 2008 | Hemiasterina Manso and Andrade p. 322 |
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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.
Subor. Hemiasterina Fischer 1966
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Fm. Palaeostomatidae Lovèn 1868
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G. †Homoeaster
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†Homoeaster evaristei Cotteau 1886
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Invalid names: Inflataster abichi Anthula 1900 [synonym], Ornithaster cordiformis Boehm 1927 [synonym]
†Homoeaster tuneatus Pomel 1883
G. †Lambertiaster
G. †Leiostomaster
G. †Ornithaster
G. Palaeostoma
Diagnosis
No diagnoses are available