| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Smithiaster
Taxonomy
Smithiaster was named by Barras (2007). Its type is Dysaster loryi.
It was assigned to Holasteroida by Barras (2007).
It was assigned to Holasteroida by Barras (2007).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2007 | Smithiaster Barras p. 158 figs. Figs 5A, B, Pl. 2, figs 8a-c |
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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 | |
|---|---|---|
| C. G. Barras 2007 | Crown group Atelostomata with a disjunct apical disc. The two portions of the apical disc are linked by a single, large complemental plate (Fig. 5A). The ambulacra are petaliferous with slightly elongate, circumflexed pore pairs aborally. Ambulacrum III is flush with the test surface along its entire length. |
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Kiessling 2004, Aberhan 1992 | |||||
Collections
No collection or age range data are available