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Leptaena quadrata
Taxonomy
Leptaena quadrata was named by Bancroft (1949) [Lectotype designated by Cocks (1968).]. Its type specimen is SMA 32437, a valve (Pedicle valve), and it is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1949 | Leptaena quadrata Bancroft p. 7 figs. pl. 1, figs. 28-30 |
1968 | Leptaena quadrata Cocks pp. 312 - 313 figs. PI. 11, figs. 6-10 |
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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.
†Leptaena quadrata Bancroft 1949
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Diagnosis
Reference | Diagnosis | |
---|---|---|
L. R. M. Cocks 1968 | Small quadrate Leptaena with many fine rugae. |