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Nymphaster rectus
Taxonomy
Chomataster rectus was named by Schulz and Weitschat (1975). It is not extant. Its type specimen is SGPIH 1356.
It was recombined as Nymphaster rectus by Breton (1992); it was synonymized subjectively with Nymphaster humilis by Jagt et al. (2021).
It was recombined as Nymphaster rectus by Breton (1992); it was synonymized subjectively with Nymphaster humilis by Jagt et al. (2021).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Chomataster rectus Schulz and Weitschat pp. 277-278 figs. pl. 31, fig. 1-3 |
| 1985 | Chomataster rectus Breton p. 430 |
| 1992 | Nymphaster rectus Breton p. 286 |
| 1997 | Chomataster rectus Helm pp. 109-110 figs. fig. 16 |
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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.
†Nymphaster rectus Schulz and Weitschat 1975
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. G. Schulz and W. Weitschat 1975 | 8 median superomarginal plates per interradius. Interbrachial arc straight with enlarged wedge-shaped plate at the base of the arms. Median superomarginals relatively narrow and high. Outer face domed, with a slight abactinal bulge. |