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Eporeodon (Oreodontoides) oregonensis
Discussion
Originally Eporeodon (Oreodontoides) oregonensis
Taxonomy
Eporeodon (Oreodontoides) oregonensis was named by Thorpe (1921). Its type specimen is YPM 12329, a partial skull (Partial skull with I1(br.)-M3 (I3, P4, and M1 br.)), and it is a 3D body fossil.
It was recombined as Merychyus oregonensis by Loomis (1924); it was recombined as Oreodontoides oregonensis by Thorpe (1924), Thorpe (1937), Schultz and Falkenbach (1947), Schultz and Falkenbach (1949), Stevens and Stevens (2007), Stevens et al. (2023).
It was recombined as Merychyus oregonensis by Loomis (1924); it was recombined as Oreodontoides oregonensis by Thorpe (1924), Thorpe (1937), Schultz and Falkenbach (1947), Schultz and Falkenbach (1949), Stevens and Stevens (2007), Stevens et al. (2023).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1921 | Eporeodon (Oreodontoides) oregonensis Thorpe p. 107 figs. 11 - 13 |
| 1924 | Merychyus oregonensis Loomis |
| 1924 | Oreodontoides oregonensis Thorpe |
| 1937 | Oreodontoides oregonensis Thorpe p. 213 figs. Figs. 155-159 |
| 1947 | Oreodontoides oregonensis Schultz and Falkenbach p. 251 figs. 11, 15-17 |
| 1949 | Oreodontoides oregonensis Schultz and Falkenbach p. 81 |
| 1968 | Desmatochoerus anthyonyi Schultz and Falkenbach |
| 2007 | Oreodontoides oregonensis Stevens and Stevens p. 164 |
| 2023 | Oreodontoides oregonensis Stevens et al. p. 31 figs. Figure 26A-B; Table A7 |
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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.
†Eporeodon (Oreodontoides) oregonensis Thorpe 1921
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. S. Stevens et al. 2023 | Similar in size to the smallest Merychyus,with a low flat dorsal profile, moderately wide frontals with noridge or protrusion at the midline, as found in Eporeodon or Desmatochoerus. Nasals do not reach posteriorly to the region of the orbits. No prelacrimal vacuity. Infraorbital foramen above the posterior border of P3. |
Measurements
No measurements are available
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| Source: f = family, o = order, subc = subclass, c = class, subp = subphylum | |||||
| References: Carroll 1988, Lillegraven 1979, Hendy et al. 2009, Nowak 1999, Lander 1998 | |||||
Collections
No collection or age range data are available