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Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Afraster
Taxonomy
Afraster was named by Blake et al. (1996) [Sepkoski's age data: K Coni-u]. It is not extant. Its type is Afraster scalariformis.
It was assigned to Pedicellasteridae by Blake et al. (1996); and to Forcipulatida by Sepkoski (2002).
It was assigned to Pedicellasteridae by Blake et al. (1996); and to Forcipulatida by Sepkoski (2002).
Species
A. scalariformis (type species)
Synonymy list
Year | Name and author |
---|---|
1996 | Afraster Blake et al. p. 184 |
2002 | Afraster 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.
Diagnosis
Reference | Diagnosis | |
---|---|---|
D. B. Blake et al. 1996 | Pedecellasterid with reticulate dorsal skeleton of few, well-defined rows of robust cruciform ossicles; arms long, slender; disk small, strongly braced by double row of interbrachial superomarginals extending to central ring. |
Measurements
No measurements are available
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Source: o = order, c = class, p = phylum | |||||
References: Aberhan 1992, Aberhan et al. 2004 |
Age range: Late/Upper Coniacian or 89.30000 to 85.80000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Late/Upper Coniacian | Angola | A. scalariformis (59842) |