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Bimuria youngiana recta
Taxonomy
Bimuria youngiana recta was named by Williams (1962). Its type specimen is BB.26038, a valve (External and internal moulds of brachial valve), and it is a 3D body fossil.
It was recombined as Bimuria recta by Wagner (2020).
It was recombined as Bimuria recta by Wagner (2020).
Synonymy list
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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.
†Bimuria youngiana recta Williams 1962
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. Williams 1962 | Bimuria with the pedicle valve about one-half as deep as long, tending to be as wide as long in adult stages of growth and predominantly with a rectimarginate anterior commissure, ventral median fold very rarely developed; growth of comae commonly subdued on the pedicle valve but, when present, originating at about 6 mm. from the umbo; median septum of brachial valve obscured by secondary shell deposition-, outer ridges to the lophophore and muscle apparatus well defined, curved and convergent with the submedian septa. |