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Paleyoldia levistriata
Taxonomy
Leda (Yoldia) levistriata was named by Meek and Worthen (1860) [Leda (Yoldia?) levistriata]. It is a 3D body fossil.
It was recombined as Yoldia levistriata by Meek and Worthen (1866); it was recombined as Paleyoldia levistriata by Busanus and Hoare (1991).
It was recombined as Yoldia levistriata by Meek and Worthen (1866); it was recombined as Paleyoldia levistriata by Busanus and Hoare (1991).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1860 | Leda (Yoldia) levistriata Meek and Worthen p. 457 |
1866 | Yoldia levistriata Meek and Worthen p. 282 figs. P1. 20 f. 7a-b |
1991 | Paleyoldia levistriata Busanus and Hoare p. 466 figs. 3.2-3.5 |
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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.
†Paleyoldia levistriata Meek and Worthen 1860
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Diagnosis
Reference | Diagnosis | |
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J. W. Busanus and R. D. Hoare 1991 | Paleyoldia with very fine, comarginal lirae (30-45 per mm dorsally and 25-35 per mm ventrally) separated by flattened interspaces of nearly same width as lirae; beak slightly anterior to midlength; posterior extremity moderately attenuate. |