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Titanotaria
Taxonomy
Titanotaria was named by Magallanes et al. (2018). Its type is Titanotaria orangensis.
It was assigned to Odobenidae by Magallanes et al. (2018).
It was assigned to Odobenidae by Magallanes et al. (2018).
Species
T. orangensis (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2018 | Titanotaria Magallanes et al. p. 6 |
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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.
G. †Titanotaria Magallanes et al. 2018
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†Titanotaria orangensis Magallanes et al. 2018
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| I. Magallanes et al. 2018 | Titanotaria orangensis can be diagnosed from neodobenians (see Phylogenetic Taxonomy) by having a short mandibular symphysis, C1/c1 that are proportional in size, lingual cingulum well-developed on P1 and P2, double-rooted p2–4 and double-rooted m1. Titanotaria orangensis can be distinguished from neodobenians and P. magnus by having postcanine crowns with enamel, a posterior crista on c1, paraconid cusps on the lower post-canines, and a double-rooted P4. Titanotaria orangensis can be distinguished from I. downsi, P. magnus, and neodobenians by having a double-rooted P3. It can be distinguished from I. downsi and Pelagiarctos sp. by having a mandibular symphysis that is less than 50% the length of the horizontal ramus. Titanotaria orangensis can be further distinguished from I. downsi by having a ventral tuberosity
of the zygomatic root, from Pelagiarctos sp. by having a sinuous ventral margin of the mandible, and from P. thomasi by having an unfused mandibular symphysis. Titanotaria orangensis can be distinguished from all other known odobenids (excluding I. downsi, P. magnus, neodobenians) by having a non-converging posterior nasal suture, short glenoid fossa, and a large mastoid process. |
Measurements
No measurements are available
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| Source: f = family, c = class, uc = unranked clade | |||||
| References: Carreño and Cronin 1993, Hendy et al. 2009, Kohno et al. 1995 | |||||