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Morrillia
Taxonomy
Tetralophodon (Morrillia) was named by Osborn (1924). It is not extant.
It was reranked as Morrillia by Shoshani and Tassy (1996), McKenna and Bell (1997) and Shoshani and Tassy (2005).
It was assigned to Tetralophodon by Osborn (1924); to Gomphotheriidae by Shoshani and Tassy (1996); to Elephantidae by McKenna and Bell (1997); and to Elephantoidea by Shoshani and Tassy (2005).
It was reranked as Morrillia by Shoshani and Tassy (1996), McKenna and Bell (1997) and Shoshani and Tassy (2005).
It was assigned to Tetralophodon by Osborn (1924); to Gomphotheriidae by Shoshani and Tassy (1996); to Elephantidae by McKenna and Bell (1997); and to Elephantoidea by Shoshani and Tassy (2005).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1924 | Tetralophodon (Morrillia) Osborn p. 1 |
| 1996 | Morrillia Shoshani and Tassy |
| 1997 | Morrillia McKenna and Bell p. 503 |
| 2005 | Morrillia Shoshani and Tassy p. 9 figs. Table 2 |
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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.
Diagnosis
No diagnoses are available