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Mesoplodon bahamondi sp.n. (Cetacea, Ziphiidae), a new living beaked whale from the Juan Fernández archipelago, Chile
Reyes, J.C.; Van Waerebeek, K.; Cárdenas, J.C.; Yáñez, J.L. (1995). Mesoplodon bahamondi sp.n. (Cetacea, Ziphiidae), a new living beaked whale from the Juan Fernández archipelago, Chile. Bol. Mus. Nac. Hist. Nat. (Chile) 45: 31-44
In: Boletín. Museo Nacional de Historia Natural (Chile). Museo Nacional de Historia Natural: Santiago. ISSN 0027-3910, meer
Peer reviewed article  
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Trefwoorden
    Cetacea [WoRMS]; Ziphiidae Gray, 1850 [WoRMS]
    Marien/Kust
Author keywords
    Cetacea, Ziphiidae, Systematics, Taxonomy, Osteology, Distribution, Southeast Pacific, Chile
Auteurs  Top 
  • Reyes, J.C.
  • Van Waerebeek, K., meer
  • Cárdenas, J.C.
  • Yáñez, J.L.
Abstract
    Mesoplodon bahamondi sp.n. is described from a calvarium collected at Playa Blanca, Robinson Crusoe Island (33°37'S, 78°53'W), off Chile. Cranial characters which differentiate this new species from all congeners include: 1) unique arrangement and shape of bones in the antorbital region, in particular the large size of the jugale; 2) widest known rostrum base, relative to zygomatic width, of any known Mesoplodon skull; 3) the extremely short distance between the premaxillary foramina. Comparisons are made with other species of Mesoplodon, in particular with M. bowdoini, its closest morphological relative, confirming its distinctness. The antorbital region is proposed as useful aid in the identification of Mesoplodon skulls. The possible relationship between M. bahamondi with an unidentified Mesoplodon repeatedly sighted in the eastern tropical Pacific is suggested.
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