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Caraguatypotherium munozi
Taxonomy
Caraguatypotherium munozi was named by Flynn et al. (2005) [An articulated partial skeleton including a largely complete skull and mandibles; eight vertebrae (all cervicals and first thoracic); left distal humerus, left ulna and radius; right distal ulna and radius; and moderately complete hands (both sides, right manus in articulation with distal ulna and radius]. Its type specimen is SGO PV 4004, a partial skeleton, and it is a 3D body fossil. Its type locality is Caragua, which is in a Tortonian lacustrine sandstone in the Huaylas Formation of Chile. It is the type species of Caraguatypotherium.
Synonymy list
| Year | Name and author |
|---|---|
| 2005 | Caraguatypotherium munozi Flynn et al. |
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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.
†Caraguatypotherium munozi Flynn et al. 2005
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. J. Flynn et al. 2005 | Differs from trachytheriine mesotheriids on the basis of the presence of hypselodont cheek teeth; presence of three persistent lobes in upper molars; absence of I2-P2/i3–p3. Craniodental measurements for this taxon are given in Tables 1–3, and molar ‘imbrication’ is illustrated in Fig. 8. Differs from all previously described mesotheriines in the presence of two pronounced lingual sulci on m3 talonid. Differs from other mesotheriine taxa as follows:
Differs from Eutypotherium in possessing character states (see Table 4 for this and subsequent taxa) 3(1); 4(2); 7(1); 9(2); 13(1); 22(1); and 29(1). Differs from Microtypotherium in much larger size (approximately 50% larger, based on linear dental measurements) and in possessing character states 4(2); 9(2); 13(1); 16(2); 19(2); 29(1); 30(1); and 31(0). Differs from Plesiotypotherium in possessing character states 6(1); 9(2); 13(1); 21(2); and 22(1). Differs from Typotheriopsis in possessing character states 3(1); 6(1); 9(2); 19(2); and 27(0). Differs from Pseudotypotherium in possessing character states 6(1); 9(2); 13(1); 22(1); 23(2); 28(0); and 31(0). Differs from Mesotherium in possessing character states 3(1); 6(1); 13(1); 19(2); 21(2); 22(1); 23(2); 28(0); 29(1); and 31(0). |
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| Skull height | 2 | 62.9 | 59.0 | 67.1 | 63.0 | 5.76 | |
| Snout height | 1 | 33.8 | - | - | - | - |
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| Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
| References: MacFadden et al. 1996, Hendy et al. 2009, Lillegraven 1979, Ji et al. 2002, Carroll 1988 | |||||