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Pseudarchaster motutaraensis
Taxonomy
Pseudarchaster motutaraensis was named by Eagle (1999). Its type specimen is AK72834, an other, and it is a 3D body fossil. Its type locality is Q11/f0041, Powell Bay [Nihotupu Fm], which is in an Altonian deep-water sandstone in the Nihotupu Formation of New Zealand.
Synonymy list
| Year | Name and author |
|---|---|
| 1999 | Pseudarchaster motutaraensis Eagle pp. 551-552 figs. figs. 2-5, 9 |
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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.
†Pseudarchaster motutaraensis Eagle 1999
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M.K. Eagle 1999 | Body stellate, plat. Low, tabulate abactinal plates in radial rows, extending along arm in more than one series, reaching terminal plate. Paxillae crowns weakly enlarged with numerous, small irregular patterned granules. Fasciolar grooves shallow. Superomarginals varying from wider than long in the interbrachial arc to longer than wide near the arm tip. External face convex to flat. Ornament of dense granules, larger in medial part of the plate. Inferomarginals wider than superomarginals. |
Measurements
No measurements are available
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| Source: subf = subfamily, c = class, p = phylum | |||||
| References: Blake 1990, Aberhan et al. 2004, Aberhan 1992 | |||||