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Megadesmus globlosus
Taxonomy
Megadesmus globlosus was named by Sowerby (1838). Its type specimen is BM (NH) L61043, a shell, and it is a 3D body fossil.
It was recombined as Megadesmus (Megadesmus) globosus by Runnegar (1965).
It was recombined as Megadesmus (Megadesmus) globosus by Runnegar (1965).
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.
†Megadesmus globlosus Sowerby 1838
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| B. Runnegar 1969 | Large, thick and strongly inflated shells witha shallow anterior lateral sulcus culminating in a distinct concavity near the ventral margin of the internal mould; posterior carina usually well defined; posterior slope convex, narrowly triangular in profile as a result of a distinct angulation in the posterior dorsal margin; posterior umbonal slope flat to slightly convex. |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Aberhan et al. 2004 | |||||