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Cranaena lincklaeni
Taxonomy
Terebratula lincklaeni was named by Hall (1860). It is a 3D body fossil.
It was recombined as Cryptonella lincklaeni by Hall (1861); it was recombined as Eunella lincklaeni by Hall and Clarke (1894); it was recombined as Cranaena lincklaeni by Kindle (1900).
It was recombined as Cryptonella lincklaeni by Hall (1861); it was recombined as Eunella lincklaeni by Hall and Clarke (1894); it was recombined as Cranaena lincklaeni by Kindle (1900).
Sister species lacking formal opinion data
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.
†Cranaena lincklaeni Hall 1860
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Diagnosis
Reference | Diagnosis | |
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E. M. Kindle 1900 | Shell moderate size, greatest width anterior to midlength, shell slightly ventri-biconvex in lateral profile, greatest height posterior to midlength; subelliptical to subovate in dorsal outline, cardinal margin slightly concave, lateral and anterior margins gently to regularly convex; anterior commissure slightly sinuate to rectimarginate; margins generally thin; pedicle valve slightly more convex, cardinal margin terebratuloid, beak prominent, suberect, beak ridges moderately strong, round to subangular; palintrope moderate to very distinct, deltidial plates slightly concave; foramen moderate size, subovate, permesothyroid to nearly mesothyroid; brachial valve gently convex; surface marked by fine growth lines and numerous punctae. |