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Huilatherium pluripicatum
Taxonomy
Huilatherium pluripicatum was named by Villarroel and Guerrero Diaz (1985). Its type specimen is ICN-P-328, a set of teeth, and it is a 3D body fossil.
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1965 | Laventatherium hylei Colwel p. 10 |
| 1985 | Huilatherium pluripicatum Villarroel and Guerrero Diaz |
| 1997 | Huilatherium pluripicatum Villarroel and Colwell Danis |
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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.
†Huilatherium pluripicatum Villarroel and Guerrero Diaz 1985
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Invalid names: Laventatherium hylei Colwel 1965 [replaced]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. Villarroel and J. Guerrero Diaz 1985 | Leontinid of brachidont upper molars, root well differentiated and long; protoloph little developed and slightly extended backwards; metaloph and posterior cingulum creates a deep fosset in a medio-lingual position; external limit of the fossa with small folds; the protoloph and the hypocone are separeted by a deep lingual indent; no internal cingulum, only in the anterolingual portion. | |
| C. Villarroel and J. Colwell Danis 1997 | Dental formula 1.0.4.3/1.0.3.3; Upper I2 and lower i3 enlarged, procumbent; cingulum on incisors lacking; Upper I1, I3 and lower i1 and i2 and canine lacking; conspicuous incisor-premolar diastema, even in individuals with deciduous dentition; upper and lower premolars and molars hypsodont; premolars progressively molariform from P1-4/p2-4; small accessory ridge parallel to parastyle on upper P3; presence of single basin on anterior surface at lingual corner (leontiniid depression) on upper P2-4; posterior arm of hypofossete on upper M1-2 well developed; mesial (second) crista on upper M1-2 well develope; first crista weakly developed; enamel-lined pits constant and numerous in upper premolars and molars; protoconid well-developed, paraconid and metaconid weakly developed on lower p2-4; paraflexid progressively developed from lower m1-3; postfossetid U-shaped; hypolophulid lobe lengthened on m1-3. Juvenile dM3 and dM4are molariform and mesodont, possess well differentiated and long roots, weak protoloph, deep ´pstfossette positioned mesiolingually; lingual margin of the mesial crista with several small plications, few enamel-lined pits; lingual fold separating protocone and hypocone very deep; mesiolingual cingulum weak and restricted to the lingual one-half; internal cingulum lacking; dm1 small; dm2 smaller but similar to p2, its cingula are more developed; dm4 molariform with crown structure similar to upper M1 but with a shorter trigonid and well-developed lingual cingulum |
Measurements
No measurements are available
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| Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
| References: MacFadden et al. 1996, Hendy et al. 2009, Ji et al. 2002, Lillegraven 1979, Carroll 1988 | |||||
Age range: Laventan or 13.80000 to 11.00000 Ma
Collections (25 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Laventan | Colombia (Huila) | Huilatherium pluripicatum (133648 133692 133693 134806 135348 140007 143788 143789 143791 145194 186662 186664 186666 186676 187120 187947 187949 187957 187958 187967 187974 188019 188020 188021 188238) |