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Natchitochia
Taxonomy
Natchitochia was named by Uhen (1998). It was considered monophyletic by Uhen (2008).
It was assigned to Protocetinae by Uhen (1998), Uhen (2001), McLeod and Barnes (2008) and Uhen (2008); to Georgiacetinae by Gingerich et al. (2005) and Gao and Ni (2015); and to Protocetidae by Bianucci and Gingerich (2011), Uhen (2014), Uhen (2014), Marx et al. (2016) and Berta (2017).
It was assigned to Protocetinae by Uhen (1998), Uhen (2001), McLeod and Barnes (2008) and Uhen (2008); to Georgiacetinae by Gingerich et al. (2005) and Gao and Ni (2015); and to Protocetidae by Bianucci and Gingerich (2011), Uhen (2014), Uhen (2014), Marx et al. (2016) and Berta (2017).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1998 | Natchitochia Uhen pp. 644-666 figs. 2-5 |
| 2001 | Natchitochia Uhen p. 136 |
| 2005 | Natchitochia Gingerich et al. p. 200 |
| 2008 | Natchitochia McLeod and Barnes p. 93 |
| 2008 | Natchitochia Uhen p. 560 |
| 2011 | Natchitochia Bianucci and Gingerich p. 1174 |
| 2014 | Natchitochia Uhen p. 211 |
| 2015 | Natchitochia Gao and Ni p. 156 figs. Table 1 |
| 2016 | Natchitochia Marx et al. p. 100 |
| 2017 | Natchitochia Berta p. 159 |
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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
| Reference | Diagnosis | |
|---|---|---|
| M. D. Uhen 1998 | Significantly larger than most other protocetines, with the exception of Eocetus schweinfurthi and Pappocetus lugardi; vertebrae are smaller than those of Eocetus and lack elongation of the lumbar centra; vertebrae lack the ventral keel seen in thos vertebrae assigned to Pappocetus; ribs are smaller and more gracile than those of Pappocetus. | |
| M. D. Uhen 2008 | Significantly larger than most other protocetids, with the exception of Eocetus and Pappocetus. Vertebrae lack elongation of the lumbar centra of Eocetus (Uhen, 1999) and lack the ventral keel seen in vertebrae assigned to Pappocetus (Halstead and Middleton, 1974). Natchitochia has a well-developed articular surface on the transverse process of the single sacral vertebra (Uhen, 1998b). |