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Lingulosacculus nuda
Taxonomy
Lingulosacculus nuda was named by Balthasar and Butterfield (2009) [Housed at the Geological Survey of Canada, Ottawa.]. Its type specimen is GSC−34953 and is not a trace fossil. It is the type species of Lingulosacculus.
Synonymy list
| Year | Name and author |
|---|---|
| 2009 | Lingulosacculus nuda Balthasar and Butterfield p. 308 figs. figs. 1, 2 |
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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.
†Lingulosacculus nuda Balthasar and Butterfield 2009
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| U. Balthasar and N. J. Butterfield 2009 | Dorsal valve elongate oval, maximum width somewhat anterior of midline; ventral valve elongate drop−shaped with maximum thickness in the anterior part at about 75% of its length; small opening angle of the ventral pseudo−interarea (around 25 degree). |
Measurements
No measurements are available
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| Source: superf = superfamily, o = order, c = class, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Bambach et al. 2007, Nesnidal et al. 2013 | |||||