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Ulrichaster macrodentatus
Taxonomy
Ulrichaster macrodentatus was named by Jell and Theron (1999). It is not extant. Its type specimen is Holotype PRV725, paratypes PRV738, 737.
Synonymy list
| Year | Name and author |
|---|---|
| 1999 | Ulrichaster macrodentatus Jell and Theron pp. 155-157 figs. figs. 33, 34 |
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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.
†Ulrichaster macrodentatus Jell and Theron 1999
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. A. Jell and J. N. Theron 1999 | Dorsal surface with very open meshwork of ossicles in radial columns, columns symmetrical about arm axis. 1st. ambulacrals large, elongate, reaching interradial margin or close to it, in closely adjacent pairs across interadii |