A NEW ARCHAIC CETACEAN FROM THE OLIGOCENE OF NORTHWEST OREGON

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dc.contributor.authorEmlong, Douglas
dc.date.accessioned2016-08-01T21:25:16Z
dc.date.available2016-08-01T21:25:16Z
dc.date.issued1966-10
dc.description60 pagesen_US
dc.description.abstractIntensive search by the author, in marine Oligocene formations of Oregon has resulted in the discovery of a very interesting cetacean skeleton. This animal possesses so many distinctive features that it seems appropriate to propose a new family, the Aetiocetidae for its reception. Although this mammal possessed a functional dentition, and bears some resemblance to cetaceans belonging to families Agorophiidae, Patriocetidae, and Microzeuglodontidae, its total compliment of dissimilarities from known cetaceans indicates that it is well differentiated from these families. Many features appear to be definitely antecedent to those developed on members of the suborder Mysticeti. If it were not for the presence of functional teeth on this mature specimen, this cetacean could easily be placed in the suborder Mysticeti. No morphological obstacles exclude this cetacean from mysticete lineage. Because of its lack of similarity to cetaceans referred to the Odontoceti, and the presence of several critical archaeocete affinities which are not retained on any known odontocete skull, this cetacean is referred to the suborder Archaeoceti.en_US
dc.identifier.issn00786047
dc.identifier.urihttps://hdl.handle.net/1794/19998
dc.language.isoen_USen_US
dc.publisherMuseum of Natural History, University of Oregonen_US
dc.relation.ispartofseriesBulletin of the Museum of Natural History, University of Oregon, no. 3;
dc.rightsCreative Commons BY-NC-ND 4.0-USen_US
dc.subjectOligoceneen_US
dc.subjectAetiocetidaeen_US
dc.subjectAgorophiidaeen_US
dc.subjectPatriocetidaeen_US
dc.subjectMicrozeuglodontidaeen_US
dc.subjectcetaceansen_US
dc.subjectMysticetien_US
dc.subjectmysticeteen_US
dc.subjectOdontocetien_US
dc.subjectodontoceteen_US
dc.subjectarchaeoceteen_US
dc.titleA NEW ARCHAIC CETACEAN FROM THE OLIGOCENE OF NORTHWEST OREGONen_US
dc.typeArticleen_US
dcterms.publisherMuseum of Natural History, University of Oregon

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Bulletin of the Museum of Natural History, University of Oregon