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Lingularia notialis
Taxonomy
Lingularia notialis was named by Holmer and Bengtson (2009). Its type specimen is MN 8283-I, a shell, and it is not a trace fossil. Its type locality is Loc. Otieiro 5, Sergipe Basin [Cotinguiba Fm], which is in a Turonian carbonate lime mudstone in the Cotinguiba Formation of Brazil.
Synonymy list
Year | Name and author |
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2009 | Lingularia notialis Holmer and Bengtson p. 257 figs. figs. 3a-k, 4, 5, 6 |
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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.
†Lingularia notialis Holmer and Bengtson 2009
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Diagnosis
Reference | Diagnosis | |
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L. E. Holmer and P. Bengtson 2009 | Ventral pseudointerarea wide with small propareas separated by a wide and deep pedicle groove, level with valve floor; ventral umbonal muscle scars not bisected by groove of pedicle nerve. Dorsal pseudointer area poorly defined, forming short, slightly thickened, crescent-shaped rim; dorsal umbonal muscle scar possibly double. Mantle canals of both valves narrow. Both valves with large lophophoral cavity occupying more than half of total valve width. Shell structure baculate. |