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Odobenus mandanoensis
Taxonomy
Odobenus mandanoensis was named by Tomida (1989) [National Science Museum (Japan)]. Its type specimen is NSM-PV 18911, a mandible, and it is a 3D body fossil. Its type locality is Mandano, which is in a Pleistocene marginal marine sandstone in the Mandano Formation of Japan.
Synonymy list
| Year | Name and author |
|---|---|
| 1989 | Odobenus mandanoensis Tomida p. 110 figs. Fig. 3 & 4 |
| 1994 | Odobenus mandanoensis Deméré p. 121 |
| 2003 | Odobenus mandanoensis Deméré et al. p. 49 figs. Fig. 3.3 |
| 2018 | Odobenus mandanoensis Berta et al. p. 217 figs. Fig. 6 |
| 2018 | Odobenus mandanoensis Magallanes et al. p. 30 figs. Figure 14 |
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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.
†Odobenus mandanoensis Tomida 1989
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| Y. Tomida 1989 | A walrus of about the same size to, or somewhat larger than, the
recent Pacific subspecies Odobenus rosmarus divergens; mandibular symphysis robust and vertically thick; dentary bone thickens laterally above the level of the mental foramen posterior to C1 ;· diastema between C1 and P2 wide; teeth being implanted obliquely, leaning anteriorly. |