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Xenosteges anomalus
Taxonomy
Xenosteges anomalus was named by Cooper and Grant (1975). Its type specimen is USNM 154241a, a shell (Articulated shell), and it is not a trace fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Xenosteges anomalus Cooper and Grant pp. 857-858 figs. Pl 234, figs 35-51; pl 244, figs 38-44 |
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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.
†Xenosteges anomalus Cooper and Grant 1975
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 5.16 | 4.90 | 5.60 | 5.00 | 0.379 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Williams et al. 2000, Aberhan et al. 2004, Nesnidal et al. 2013 | |||||