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Oreonetes
Taxonomy
Oreonetes was named by Loomis (1924). Its type is Limnenetes anceps.
It was assigned to Merycoidodontidae by Loomis (1924), Thorpe (1937), Scott (1940), Lander (1998); and to Oreonetinae by Schultz and Falkenbach (1956), McKenna and Bell (1997), Stevens and Stevens (2007).
It was assigned to Merycoidodontidae by Loomis (1924), Thorpe (1937), Scott (1940), Lander (1998); and to Oreonetinae by Schultz and Falkenbach (1956), McKenna and Bell (1997), Stevens and Stevens (2007).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1924 | Oreonetes Loomis |
| 1937 | Oreonetes Thorpe p. 42 |
| 1940 | Oreonetes Scott p. 650 figs. Plate LXVIII |
| 1956 | Oreonetes Schultz and Falkenbach p. 454 fig. 12 |
| 1997 | Oreonetes McKenna and Bell p. 408 |
| 1998 | Oreonetes Lander |
| 2007 | Oreonetes Stevens and Stevens p. 158 |
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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. †Oreonetes Loomis 1924
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†Oreonetes anceps Douglass 1902
†Oreonetes douglassi Schultz and Falkenbach 1956
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. B. Schultz and C. H. Falkenbach 1956 | SKULL:Small size; approximate basal length 100 mm., width 66.5 mm. ; superior contour slightly arched; supraoccipital wings small, moderately spread, incorporated into fan-shaped occipital flare; sagittal crest moderately prominent, low, with tendency for posterior downward slope; brain case inflated; frontals mod- erately broad; nasals long and light; supraorbital foramina close together, anterior groove extending forward and downward on side of face to infraorbital foramen; orbit questionably closed posteriorly (see discussion, p. 457) ; malar moderately shallow below orbit; zygo- matic arch moderately light, slight posterior rise of inferior border, shallowest point posterior to orbit; infraorbital foramen above ps ; lacrimal fossa large and deep, anterior and inferior border folded (exceptionally well defined), shallow extension onto malar ( entirely different from small and shallow fossa of Limnenetes -in fact, unique in oreodonts) ; slight depression on side of face above P2-P8 ; occipital condyles light but moderately spread, equal to examples of Limnenetes, smaller than those of Miniochoerinae; paroccipital process (known from incomplete process only) light with excavated external surface; auditory bulla moderately large, well inflated with large and promi- nent posterior external hyoidal pit and short groove ; postglenoid process moderately robust, rather long vertically, compressed anteroposteriorly, with external border sloping abruptly inward and downward; glenoid surface narrow anteroposteriorly; posterior palate extending approximately to anterior lobe of M8.
MANDIBLE: Postsymphysis below anterior portion of P4 ; ramus moderately deep with slight increase in depth from symphysis to a point posterior to Ms. DENTITION: Brachyodont; superior premolars slightly crowded ; inferior premolars with slight overlapping of P1-Ps; external styles of superior molars prominent; width of hypocone of Ms decidedly less than that of protocone; anterior intermediate crest weak on P2- ps, exceptionally weak on P'. LIMBS: Unknown. |