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Cancrinella subquadrata
Taxonomy
Cancrinella subquadrata was named by Cooper and Grant (1975) [Dorsal valve has spines, probably a true Cancrinella. Short spine ridges, abundant fine spines, small ears separates from Filiconcha.]. Its type specimen is USNM 152777, a valve (Ventral valve), and it is not a trace fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Cancrinella subquadrata Cooper and Grant p. 1155 figs. Pl 429, figs 16-40 |
| 2012 | Cancrinella subquadrata Li et al. |
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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.
†Cancrinella subquadrata Cooper and Grant 1975
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 7.60 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Williams et al. 2000, Aberhan et al. 2004 | |||||