| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Noriaster
Taxonomy
Noriaster was named by Blake et al. (2000). It is not extant. Its type is Noriaster barberoi. It was considered monophyletic by Blake et al. (2000).
It was assigned to Poraniidae by Blake et al. (2000).
It was assigned to Poraniidae by Blake et al. (2000).
Species
N. barberoi (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2000 | Noriaster Blake et al. p. 148 figs. 1-4 |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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. 2000 | Poraniid with robust marginals, the inferomarginals enlarged, peg-like, transversely elongate with flattened adradial and abradial surfaces. Inferomarginals are abruptly truncated abradially, and the terminus is swollen. The ventral ossicular surface bears one or two rows of two to four disjunct, robust pustules. Actinals arranged in two or three rows. The largest ossicles are in the distal-actinal series, the proximal-actinal series is intermediate in size, and the row is intermediate in length. The suboral series, if it is present, consist of few, comparatively small ossicles. Enlarged interbrachial ossicles present in at least the distal-actinal row. Actinals, disk-like and imbricated, irregular in outline; ossicles of the distal-actinal series particularly irregular. Actinal ossicles bear pustules similar to those of the inferomarginals but those of the actinals not arranged in an apparent regular pattern. |
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
|
|
||||
| Source: c = class, p = phylum | |||||
| References: Aberhan 1992, Aberhan et al. 2004 | |||||