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Taxonomy
Lutraria (Cryptodon) nuttallii was named by Conrad (1837). It is extant.
It was recombined as Schizothaerus nuttalli by Conrad (1855), Ashley (1895) and Valentine (1957); it was recombined as Schizothaerus nuttallii by Henderson (1931) and Woodring and Bramlette (1950); it was recombined as Tresus nuttalli by Addicott (1966); it was recombined as Tresus nuttallii by Coan et al. (2000), Moore (2003) and Hendy (2021).
It was recombined as Schizothaerus nuttalli by Conrad (1855), Ashley (1895) and Valentine (1957); it was recombined as Schizothaerus nuttallii by Henderson (1931) and Woodring and Bramlette (1950); it was recombined as Tresus nuttalli by Addicott (1966); it was recombined as Tresus nuttallii by Coan et al. (2000), Moore (2003) and Hendy (2021).
Synonymy list
| Year | Name and author |
|---|---|
| 1837 | Lutraria (Cryptodon) nuttallii Conrad p. 235 |
| 1855 | Schizothaerus nuttalli Conrad p. 14 |
| 1895 | Schizothaerus nuttalli Ashley p. 344 |
| 1931 | Schizothaerus nuttallii Henderson p. 33 |
| 1950 | Schizothaerus nuttallii Woodring and Bramlette |
| 1957 | Schizothaerus nuttalli Valentine |
| 1966 | Tresus nuttalli Addicott |
| 2000 | Tresus nuttallii Coan et al. p. 463 |
| 2003 | Tresus nuttallii Moore |
| 2021 | Tresus nuttallii Hendy |
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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.
Tresus nuttallii Conrad 1837
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Diagnosis
No diagnoses are available