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Hadranderaster
Taxonomy
Hadranderaster was named by Spencer (1907) [Sepkoski's age data: J Bath K Camp]. It is not extant. Its type is Pentaceros abbreviatus.
It was assigned to Valvatida by Sepkoski (2002); and to Stauranderasteridae by Spencer (1913), Spencer and Wright (1966) and Breton and Néraudeau (2008).
It was assigned to Valvatida by Sepkoski (2002); and to Stauranderasteridae by Spencer (1913), Spencer and Wright (1966) and Breton and Néraudeau (2008).
Synonymy list
Year | Name and author |
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1907 | Hadranderaster Spencer |
1913 | Hadranderaster Spencer p. 137 |
1966 | Hadranderaster Spencer and Wright p. U55 |
2002 | Hadranderaster Sepkoski |
2008 | Hadranderaster Breton and Néraudeau p. 323 |
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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. †Hadranderaster Spencer 1907
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†Hadranderaster asperulus Weller 1907
†Hadranderaster simplex Geinitz 1871
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Invalid names: Oreaster perforatus Geinitz 1871 [synonym], Pentaceros abbreviatus Spencer 1905 [synonym]
Diagnosis
No diagnoses are available