TABLE 2 in A new monachine seal (Monachinae, Phocidae, Mammalia) from the Miocene of Cerro La Bruja (Ica department, Peru)

TABLE 2. — Comparative measurements (in mm) of the crania of Magophoca brevirostris n. gen., n. sp. in comparison with other Monachinae and selected Phocinae. Abbreviations: BZW, bizygomatic width; BCW, bicondylar width; GLFW, width at level of lateral edges of glenoid fossae; MPW, width between mastoid processes; PLWM1, palate width at level of posterior root of M1s; WAC, maximum width of alveolus of upper canine; WRPP, width of rostrum at preorbital processes; e, estimate.
SpecimenBZWMPWWRPPPLWM1BCWGLFWMagophoca brevirostris n. gen., n. sp.––– 31.9 × 2 = 63.8 ––(MNHN.F.PPI276; male)Magophoca brevirostris n. gen., n. sp.––––––(MNHN.F.PPI278; male?)Magophoca brevirostris n. gen., n. sp.132e120.7––58.3122.6(MNHN.F.PPI277; female?)Magophoca brevirostris n. gen., n. sp.136129.549e63e60.3130(MNHN.F.PPI269; female?)Other extinct MonachinaeAcrophoca longirostris (MNHN.F.SAS563)63 × 2 = 126e38.75 × 2 =–41.231.5 × 2 = 63e 63 × 2 = 126e77.5eAcrophoca longirostris (MNHN.F.SAS1654)66 × 2 = 132e 58 × 2 = 116e57e–30.5 × 2 = 61e 60 × 2 = 120eHadrokirus martini (MUSM 1662)140122113.666.647e129.2Hadrokirus martini (MUSM 340)200.5170.5–87.571.1190.6Homiphoca capensis (SAM-PQ-L30080)145128.585.36157.5130.5Piscophoca pacifica (MNHN.F.SAS564)152139e72.569.263.8144.1Extant MonachiniMonachus monachus (USNM 219059)194.8172.671.171.462.4183.0Monachus monachus (MNHN-ZM-AC-A7953)214181.58176.571.2191Neomonachus schauinslandi (USNM 243838; male)157.4158.647.968.260.7152.6Neomonachus schauinslandi (USNM 243839; female) 155.9152.350.871.562.0148.2Neomonachus tropicalis (USNM 100363; male)167.0147.646.371.462.4157.4Neomonachus tropicalis (USNM 100371; female)167.3147.949.473.365.3154.7Extant LobodontiniHyrdrurga leptonyx (USNM 396931)219.6184.1108.595.275.8205.9Hydrurga leptonyx (USNM 550360; male)190.0193.498.478.780.6193.4Leptonychotes weddellii (USNM 269526; male)154.7174.149.152.675.5154.2Leptonychotes weddellii (USNM 269526; female)165.5172.149.657.377.6160.5Leptonychotes weddellii (USNM 395811)152.9170.651.751.774.0153.4Lobodon carcinophaga (USNM 550080; female)131.7147.876.461.776.3136.3Lobodon carcinophaga (USNM 550083; male)140.0152.880.162.778.9138.6Ommatophoca rossii (USNM 275206; male)160.3160.475.958.679.0150.1Ommatophoca rossii (US3NM 339989; female)151.9157.571.353.477.4146.1Extant PhocinaePagophilus groenlandicus (USNM 188790; male)111.3111.630.043.758.0105.4Pagophilus groenlandicus (USNM 188791; female)102.8109.727.045.057.6101.2Phoca vitulina concolor (USNM 504298; male)130.4125.134.354.556.1114.0Phoca vitulina concolor (USNM 593947; female)126.3117.533.449.458.6109.3Phoca vitulina concolor (USNM 594207; female)125.8114.927.855.255.5106.7