TABLE 1 in A new kentriodontid dolphin (Cetacea, Odontoceti, Delphinida) from the Middle Miocene of the southeastern Pacific

TABLE 1. — Cranial measurements (in mm) of Mesokentriodon protohumboldti n. gen., n. sp. MNHN.F.PPI282, MNHN.F.PPI283, and MUSM4693. Abbreviations: +, incomplete; e, estimate; –, no data; (r), right side, (l), left side. MNHN.F.PPI282 (holotype)MNHN.F.PPI283 (paratype)MUSM 4693condylobasal length+480+440+417rostrum length324292+279width of rostrum at mid-length3329–height of rostrum at mid-length33.529–width of premaxillae at rostrum mid-length2724–distance from rostrum tip to anterior end of palatine286253–length of upper alveolar row286(l)/288(r)264(r)–number of upper alveoli per row40––distance between last left and right maxillary alveoli6660–maximum width of dorsal opening of mesorostral groove10.51311distance between premaxillae at anterior margin of bony nares35e4.5width of rostrum at basee10491104height of rostrum at base4844–width of premaxillae at rostrum base594753.5width of right premaxilla at rostrum base24.519.5e24.5width of left premaxilla at rostrum base2521.5e22preorbital width+174164.5e182postorbital widthe182+161e196bizygomatic widthe186+164e200maximum width of premaxillae in facial region70.56166width of right premaxillary sac fossa3328–width of left premaxillary sac fossa3331.5–orbit length (left)e57e54.5e54anteroposterior length of temporal fossa (left)89–86dorsoventral height of temporal fossa67e65e70maximum width of bony nares2927e27minimum width across ascending processes of premaxillae63.556–maximum width of premaxillae at anterior margin of vertex6661–maximum width of nasals4944.5–maximum length of nasals33+24–length of median suture between nasals15e11–minimum distance between maxillae across vertex4336e35minimum distance between temporal crests across occipital shield78.5–77.5distance between anterior tip of zygomatic process and ventral tip of postglenoid process59.5+55e50width of mandibular fossa26––width of occipital condylese74––left periotic total length––+24.8left periotic mediolateral width––17.8left periotic dorsoventral thickness––10.8length of anterior process of left periotic––7.3length of pars cochlearis of left periotic (from anterior margin to anterior margin of fenestra rotunda)––9.1dorsoventral thickness of pars cochlearis (from anterior margin to medial margin of internal acoustic meatus)––8.7distance between fenestra rotunda and tip of anterior process––16.8distance between distal opening of facial canal and tip of anterior process––12.9maximum dorsoventral thickness of involucrum of left tympanic bulla (in anterior half)––8.6