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Norella refractifrons
Taxonomy
Rhynchonella refractifrons was named by Bittner (1890).
It was recombined as Norella refractifrons by Ager (1960); it was recombined as Qilianoconcha refractofrons by Jin et al. (1979).
It was recombined as Norella refractifrons by Ager (1960); it was recombined as Qilianoconcha refractofrons by Jin et al. (1979).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1890 | Rhynchonella refractifrons Bittner p. 39 figs. Pl 31, figs 2-15; Pl 37, fig 21 |
1960 | Norella refractifrons Ager p. 349 |
1979 | Qilianoconcha refractofrons Jin et al. p. 168 figs. Pl 41, figs 17-30; pl 42, figs 1-4 |
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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.
†Norella refractifrons Bittner 1890
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Diagnosis
No diagnoses are available