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Miocochilius anomopodus
Taxonomy
Miocochilius anomopodus was named by Stirton (1953) [Holotype: UCMP 38409. Skeleton nearly complete. Cranium; mandible; all cervical, thoracic, and lumbar vertebrae preserved but some are badly crushed; sacrum; eigth caudal vertebrae but with terminal ones missing; most of the fourteen ribs; five sternal bones represented; left fore limb complete, except median phalanx III, and ungual phalanges II, III, and IV; and most of rigth fore limb preserved; pelvis; left hind limb but cuboid missing; foot missing from rigth hind limb.
Miocochilius locality, UCMP V4541
Dental formula: I3/3; C1/1; P4/4; M3/3
]. It is considered to be a form taxon. Its type specimen is UCMP 38409, a partial skeleton, and it is a 3D body fossil. It is the type species of Miocochilius.
Synonymy list
| Year | Name and author |
|---|---|
| 1953 | Miocochilius anomopodus Stirton |
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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.
†Miocochilius anomopodus Stirton 1953
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. A. Stirton 1953 | CraniUm elongate and relatively narrow, particulary in rostral region, as compared with Protypotherium; or short diastems between I1 and I2, between I2 and I3, between I3 and C, between C and P4; labial face of upper molars relatively smooth; teeth coated with cement; frontals not conspicuously flattened between orbits; faint indication of descendig process of maxillary at anterior end of zygomatic arch; anterior end of palatine opposite posterior half of P3; base of M1-3 within the orbit; bullae not inflated; mastoid apparently not inflated; anterior end of palatine bone opposite to M1.
Brain with suprasylvian sulcus prominent; marginal area along longitudinal scissure narrow; rather bulbous expansion of ectosylvian area, lateral constriction of midbrain and deep transverse sinus, with possible overlapping of cerebral hemispheres; olfeatory pedicles greatly constricted laterally. Mandible with i2-i3 in line with cheek teeth; p1 vertical; diastems between p1 and p2. In juvenile dp3 with one faint labian and two lingual inflections. Digits II and III functional in manus, digit IV complete but greatly reduced, digits I and V lost; Digits III and V functional in pes; Digit V represented by vestige of metatarsal; digit I and II and mesocuneiform lost. |
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| Cerebellum height | 1 | 35.7 | |||||
| Cerebral hemisphere height | 1 | 30.0 | |||||
| Hypophysis height | 1 | 1.50 | |||||
| Infraorbital foramen diameter | 1 | 3.00 | |||||
| Medulla oblonga height | 1 | 13.0 | |||||
| Olfactory pedicles height | 1 | 9.20 | |||||
| Orbits diameter | 1 | 34.0 |
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| Source: s = species, o = order, subc = subclass, c = class, subp = subphylum | |||||
| References: Lillegraven 1979, Carroll 1988, Hendy et al. 2009, MacFadden et al. 1996, Ji et al. 2002, Stirton 1953 | |||||
Age range: Laventan or 13.80000 to 11.00000 Ma
Collections (15 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Laventan | Colombia (Huila Department) | Miocochilius anomopodus (12971) | |
| Laventan | Colombia (Huila) | Miocochilius anomopodus (58455 133688 133693 134806 135373 136211 143792 187078 187114 187115 187116 187120 187122) | |
| Laventan | Peru (Ucayali) | Miocochilius anomopodus (144793) |