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Composita stalagmium
Taxonomy
Composita stalagmium was named by Cooper and Grant (1976). Its type specimen is USNM 153035j, a shell (Articulated shell), and it is not a trace fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Composita stalagmium Cooper and Grant p. 2163 figs. Pl 661, figs 22-52; pl 662, figs 1-65 |
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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.
†Composita stalagmium Cooper and Grant 1976
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 89 | 4.38 | 0.500 | 23.8 | 5.30 | 6.41 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||