TABLE 1. — Comparative measurement (in mm) in the four specimens of Magophoca brevirostris n. gen., n. sp. including cranial remains. Abbreviations: LLTR, length of the lower cheek tooth row; LP1-3, length of upper P1-3 tooth row; LUTR, length of upper cheek tooth row; WAC, maximum width of the alveolus of upper canine; WRC, maximum width of rostrum at the level of the canines; WUC, width of upper canine.
Specimen WRC WAC LUTR LP1-3 LLTR WUC
Magophoca brevirostris n. gen., n. sp. (MNHN.F.PPI276; male) 22.5 × 2 = 45,0 9.7 63.5 36.0 60.5
Magophoca brevirostris n. gen., n. sp. (MNHN.F.PPI278; male?) 46.0 10.1 38.0 63.0 8.2
Magophoca brevirostris n. gen., n. sp. (MNHN.F.PPI277; female?) 8.5e 60.2 33.0
Magophoca brevirostris n. gen., n. sp. (MNHN.F.PPI269; female?) 21.0 × 2 = 42.0 8.8 60.5 32.3 56.8 7.1