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Poncetaster
Taxonomy
Poncetaster was named by Villier et al. (2004). It is not extant. Its type is Poncetaster crateri. It was considered monophyletic by Villier et al. (2004).
It was assigned to Stauranderasteridae by Villier et al. (2004), Villier (2008).
It was assigned to Stauranderasteridae by Villier et al. (2004), Villier (2008).
Species
P. crateri (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2004 | Poncetaster Villier et al. p. 817 |
| 2008 | Poncetaster Villier p. 150 |
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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 | |
|---|---|---|
| L. Villier et al. 2004 | External face covered with large, widely spaced crater-like spine bases. Carinal plates rectangular, highly wider than long. Carinals and marginals morphologically distinct. The proximal and distal faces of the marginal and abactinal plates show large triangular faces for plate articulation. No granule-pits. |