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Pseudoprepotherium
Taxonomy
Pseudoprepotherium was named by Hoffstetter (1961). It is not extant. Its type is Pseudoprepotherium venezuelanum.
It was assigned to Mylodontinae by Gaudin (1995); and to Mylodontidae by Carroll (1988), McDonald (1997), Varela et al. (2019), Boscaini et al. (2019), Rincón and McDonald (2020).
It was assigned to Mylodontinae by Gaudin (1995); and to Mylodontidae by Carroll (1988), McDonald (1997), Varela et al. (2019), Boscaini et al. (2019), Rincón and McDonald (2020).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1961 | Pseudoprepotherium Hoffstetter |
| 1988 | Pseudoprepotherium Carroll |
| 1995 | Pseudoprepotherium Gaudin |
| 1997 | Pseudoprepotherium McDonald |
| 2006 | Mirandabradys Carlini et al. |
| 2019 | Mirandabradys Boscaini et al. |
| 2019 | Pseudoprepotherium Boscaini et al. |
| 2019 | Pseudoprepotherium Varela et al. |
| 2020 | Pseudoprepotherium Rincón and McDonald |
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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. †Pseudoprepotherium Hoffstetter 1961
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†Pseudoprepotherium socorrensis Carlini et al. 2006
†Pseudoprepotherium urumaquensis Carlini et al. 2006
†Pseudoprepotherium venezuelanum Hoffstetter 1961
Invalid names: Mirandabradys Carlini et al. 2006 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. A. Carlini et al. 2006 (Mirandabradys) | Large-sized mylodontoid. Skull profile with a
marked angle between the rostrum and braincase. Molariforms with some transverse elongation except the last one. Femur with the diaphysis only slightly narrower distally than proximally, widening slightly up to the level of the trochanter minor and anteroposteriorly compressed; trochanter major large and massive; third trochanter developed on the lateral margin, slightly below the midpoint of the diaphysis and continued distally as a laminar area that merges with the ectepicondyle. Tibia and fibula seem proximally and distally immobilised. Tibia without marked torsion in contrast to Quaternary Mylodontinae. |
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| Femur height | 1 | 122.5 | |||||
| Femur Head diameter | 1 | 84.0 |
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Carroll 1988, Nowak 1999, Ji et al. 2002, Lillegraven 1979, Hendy et al. 2009 | |||||
Age range: base of the Colhuehuapian to the top of the Laventan or 21.00000 to 11.00000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Colhuehuapian | Peru | P. sp. (176149) | |
| Santacrucian - Friasian | Venezuela (Portuguesa) | P. venezuelanum (214579) | |
| Middle Miocene | Venezuela (Falcon) | Glossotheriopsis sp. (146405) Mirandabradys socorrensis (146289) | |
| Laventan | Peru | P. sp. (213137) | |
| Tortonian | Brazil (Acre) | P. sp. (136717) P. venezuelanum (55602) | |
| Late/Upper Miocene | Venezuela (Falcon) | Mirandabradys urumaquensis (146290) |