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Arisaigaster
Taxonomy
Arisaigaster was named by Spencer and Wright (1966) [Sepkoski's age data: O Ashg S Ludl Sepkoski's reference number: 2]. It is not extant. Its type is Mesopalaeaster leintwardensis.
It was assigned to Mesopalaeasterinae by Spencer and Wright (1966); and to Pustulosida by Sepkoski (2002).
It was assigned to Mesopalaeasterinae by Spencer and Wright (1966); and to Pustulosida by Sepkoski (2002).
Species
Entered
by J. Sepkoski on 2003-01-23; modified by L. Villier on 2013-10-27
Synonymy list
| Year | Name and author |
|---|---|
| 1966 | Arisaigaster Spencer and Wright p. U51 |
| 2002 | Arisaigaster 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. †Arisaigaster Spencer and Wright 1966
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†Arisaigaster leintwardensis Spencer 1916
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. K. Spencer and C. W. Wright 1966 | Disc large; arms short and broad |
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Aberhan 1992 | |||||