abstract - cetacean skull/phylogeny

Michael Williamson (whe_william@flo.org)
Mon, 23 Sep 1995 11:50:18

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From: Michael Williamson <WHE_WILLIAM@FLO.ORG>
Subject: abstract - cetacean skull/phylogeny
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Subj:	abstract - cetacean skull/phylogeny
 
Date:         Thu, 21 Sep 1995 08:26:03 EST
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Subject:      abstract - cetacean skull/phylogeny
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     Dear Marmam and ECS mail list subscribers:
 
     As a courtesy, the following is a summary of an article recently
     published in Aquatic Mammals 21(2).  Apologies for cross-mailing to
     those folks that subscribe to both discussion groups.  I have supplied
     the author's address to which reprint requests should be directed.
     Aquatic Mammals is published three times a year by the European
     Association for Aquatic Mammals.  Subscription requests should be
     directed to the editor:  Paul Nachtigall, Hawaii Institute of Marine
     biology, P.O. Box 1106, Kailua, HI 96734, USA.  FAX (808) 247-5831,
     email:  nachtig@nosc.mil
 
     __________________________________________________________________
 
     Klima, M.  1995.  Cetacean phylogeny and systematics based on the
     morphogenesis of the nasal skull.  Aquatic Mammals 21(2): 79-89.
 
     (Zentrum der Morphologie, Klinikum der J.W. Goethe-Universitat,
     Theodor-Stern-Kai 7, D-60590 Frankfurt, FRG)
 
     The morphogenesis of the nasal skull of the cetaceans indicates that
     the traditional division of the order Cetacea into two suborders, the
     toothed whales (Odontoceti) and the baleen whales (Mysteiceti), is
     phylogenetically not substantiated.  The following conclusions can be
     drawn on the basis of the presented study.  The whales are of a
     monophyletic origin, with all the extant forms being closely related.
     The sperm whales are, however, distinct from other odontocetes, with
     which they are traditionally associated, and seem to be more closely
     related to the baleen whales.  The embryological findings presented
     here are remarkably consistent with a recent molecular phylogenetic
     analysis.  According the morphogenesis of the naskal skull the
     following almost equivalent groupings, which may be considered
     superfamilies, can be distinguished within the order Cetacea:
     Balaenopteroidea, Physeteroidea, and Delphinoidea.  However, no
     representatives of the families Ziphiidae and Platanistidae were
     available for the present study.