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Magophoca
Taxonomy
Magophoca was named by Dewaele and de Muizon (2024). Its type is Magophoca brevirostris.
It was assigned to Lobodontini by Dewaele and de Muizon (2024).
It was assigned to Lobodontini by Dewaele and de Muizon (2024).
Species
M. brevirostris (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2024 | Magophoca Dewaele and de Muizon p. 34 figs. Figs 2-45; Tables 1-27 |
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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. †Magophoca Dewaele and de Muizon 2024
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†Magophoca brevirostris Dewaele and de Muizon 2024
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. Dewaele and C. de Muizon 2024 | A comparatively small lobodontin (i.e., Lobodontini), diagnosed by the following unique characters: six upper incisors (also in Phocinae, but four in other Monachinae, except Noriphoca gaudini), and the lower and upper branch of the transverse pro- cesses of Ce3-7 are clearly separated (also in Phocinae). Magophoca brevirostris n. gen., n. sp. is also characterized among Lobodontini by the following unique set of characters: an extended premaxilla- nasal contact (also in Acrophoca, Hadrokirus, and Homiphoca), the alveolar process of the maxilla facing anteroventrally posterior to P1 (also in Hadrokirus, Homiphoca, Piscophoca, and Ommatophoca), an insertion area for m. supraspinatus on the scapula that is equal to or smaller than the insertion areas for m. infraspinatus and m. teres major (also in Hydrurga), a greater tubercle reaching the level of the humeral head (also in Homiphoca and Piscophoca), the lack of a bicipital bar on the humerus (also in Acrophoca, Lobodon, Om- matophoca, and Pliophoca), a well-developed supinator ridge (also in Homiphoca, Kawas, Leptonychotes, Lobodon, and Piscophoca), the presence of an entepicondylar foramen (also in Homiphoca and Kawas, and in Frisiphoca, a monachine genus of unknown tribal affinities), a deep groove for the m. extensor digitorum communis tendon on the radius (also in Acrophoca and Piscophoca), an antero- dorsal iliac process located posterodorsal to the anteroventral iliac process (also in Ommatophoca), a large and strongly protruding posteroventral iliac process (also in Kawas), and a little reduced trochanteric fossa on the femur (also in Homiphoca, Kawas, Lo- bodon, and Piscophoca). |
Measurements
No measurements are available
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| Source: f = family, c = class, uc = unranked clade | |||||
| References: Gingerich 2003, Nowak 1991, Hendy et al. 2009, Carreño and Cronin 1993 | |||||
Age range: Late/Upper Miocene or 11.63000 to 5.33300 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Miocene | Peru (Ica) | M. brevirostris (45487) |